One primary difference between voles that are monogamous and those that are polygamous is the presence or absence of a specific hormone receptor in the brain, known as the vasopressin receptor.
In monogamous voles, the vasopressin receptor is highly expressed in areas of the brain associated with reward, social bonding, and pair-bond formation. This receptor helps to facilitate the release of dopamine and other "feel-good" neurotransmitters in response to social bonding behaviors like grooming, huddling, and mating with a single partner.
In contrast, in polygamous voles, the vasopressin receptor is expressed at much lower levels or is absent altogether in these same brain regions. As a result, polygamous voles do not experience the same strong bonding and reward response with a single partner and are more likely to seek out multiple partners for mating.
It's important to note that the differences between monogamous and polygamous voles are complex and involve many other genetic, environmental, and behavioral factors, but the presence or absence of the vasopressin receptor is a key difference that has been identified in studies.
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What is sickle cell anemia and how is it caused by your genes? Use the starter sentence below.
Sickle is caused by ____________
Answer:
Sickle cell anemia is caused by a genetic mutation in the hemoglobin gene.
Explanation:
Hemoglobin is a protein in red blood cells that carries oxygen throughout the body. In sickle cell anemia, the mutation causes the hemoglobin to form abnormal, sickle-shaped cells instead of the normal round shape. These sickle cells are stiff and sticky, and they can block blood flow in the small blood vessels, leading to pain, infections, and organ damage. The mutation that causes sickle cell anemia is inherited from both parents, and it is more common in people of African descent but can also occur in other populations.
How does Claire’s diagnosis explain why 1 mL of liquid from her small intestine digested slowly but 1 mg of her pure protease digested protein normally?
Protein digestion is facilitated by the enzyme protease slowly by 1 mg . Together with protease, one cc of the small intestine's fluids also contains other substances.
As a result, compared to pure protease, these proteases took longer to digest the material. Because there are less or no longer any proteolytic enzymes in the small intestine, Claire's diagnosis may help to explain why proteins are digested slowly.
This is due to the fact that these enzymes must exist in the small intestine in quantities that allow for the rapidity of the protein digestion process, which is a digestive process that involves enzymes. This is because the metabolic processes are sped up by enzymes, and if there aren't enough of them, the metabolic processes slow down.
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PLEASE ANSWER ASAP FOR BRAINLIEST+20 POINTS!!!!!!!!!!!!!!!!!!!!!
Haversian Canals contain
a) Osteons
b) Canaliculi
c) Arteries
d) Ligaments
Answer:
its arteries
Explanation:
because there is arteries in every canal
Answer:
A
Explanation:
The Haversian canals surround blood vessels and nerve fibers throughout the bone and communicate with osteocytes. The canals and the surrounding lamellae are called a Haversian system (or an osteon). A Haversian canal generally contains one or two capillaries and nerve fibers
Cells are placed in a solution that causes them to absorb liquid until they burst. When more water is removed from the solution, newly added cells do not burst. The original solutions was ________ , while the second was ________ to the cells.a. hypertonic; isotonicb. isotonic; hypotonicc. isotonic; hypertonicd. hypotonic; isotonic
Hypotonic and isotonic.
The original was Hypotonic because it grew. The second is Isotonic because they stayed normal. If the cells shrunk, they would be Hypertonic.
The original solution was hypotonic, while the second was isotonic to the cells. The correct answer is option d.
In a hypotonic solution, the concentration of solutes is lower outside the cell than inside the cell. This causes water to move into the cell through osmosis, causing the cell to swell and potentially burst.
Over a semipermeable membrane, a solution is referred to as a hypotonic solution if it contains less solute than other solutions with the same solute concentration. Such a solution results in a reduction in the concentration of solutes and complete water flow within the cell. This results in edema breaking down.
In an isotonic solution, the concentration of solutes is the same inside and outside the cell, so there is no net movement of water and the cell does not swell or shrink.
A solution that has the same osmolarity, or solute concentration, as another solution is said to be isotonic. Water will flow equally into and out of either solution if a semipermeable membrane is used to separate the two. We can say that the net flow is the same because the flow in and out is equal.
Therefore, the correct answer is option d. hypotonic; isotonic.
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in fruit flies, long wings are dominant to short wings. Complete a cross between a short winged male snd s heterozygous female
A test cross in which the precise Mendelian ratio of 1:1 is established is a cross between heterozygous flies and tiny winged flies. 96 long-winged flies and 96 short winged flies, respectively.
What does it mean to be homozygous or heterozygous?Allele pairings are categorised as homozygous or heterozygous. Homozygous people are those who have two copies of the same allele (RR or rr). Individual organisms with various alleles (Rr) are referred to as heterozygous.
What occurs when both parents have heterozygotes?Every birth will carry the same danger. Children that inherit a heterozygous dominant mutation from both parents have a 50% probability of developing the dominant allele, a 25% chance of developing both dominant alleles, and a 25% risk of developing both recessive alleles (no symptoms).
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1. Number the stages of the cell cycle in proper order, from 1 - 6: ( ) anaphase ( ) cytokinesis ( ) interphase ( ) metaphase ( ) prophase ( ) telophase 2.
Circle ALL the correct answers. In humans, meiosis gives: A. two identical cells B. haploid cells C. diploid cells D. growth of the organism E. cell replacement F. four gametes G. sexual reproduction H. asexual reproduction
The cell cycle consists of four stages: G1, S, G2, and M. During G1, the cell grows and prepares for DNA replication. The G1, S, and G2 phases are collectively referred to as the Interphase.
In S phase, DNA replication occurs, and each chromosome is duplicated. In G2, the cell continues to grow and prepare for cell division.
The final stage, M, includes mitosis and cytokinesis, resulting in two identical daughter cells. It further breaks down into Prophase, Metaphase, Anaphase, Telophase, and Cytokinesis.
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Answer the question & Fill in the blanks:
Translation begins at the start codon which is typically AUG, a process called ______.
Translation ends at the stop codon of the mRNA strand, which can be UAA, UAG, or UGA, a process called________.
Are the bases on the mRNA strand identical or complementary to the DNA strand template?
The bases οn the mRNA strand are cοmplementary tο the DNA strand template, meaning that they fοrm base pairs with the cοrrespοnding nucleοtides οn the DNA strand.
What is DNA?DNA (Deοxyribοnucleic Acid) is a mοlecule that cοntains the genetic instructiοns used in the develοpment and functiοning οf all living οrganisms. It is a dοuble-stranded, helical structure cοnsisting οf nucleοtides that are cοmpοsed οf a sugar (deοxyribοse), a phοsphate grοup, and a nitrοgenοus base (adenine, guanine, cytοsine, οr thymine).
Translatiοn begins at the start cοdοn which is typically AUG, a prοcess called initiatiοn.
Translatiοn ends at the stοp cοdοn οf the mRNA strand, which can be UAA, UAG, οr UGA, a prοcess called terminatiοn.
The bases οn the mRNA strand are cοmplementary tο the DNA strand template, meaning that they fοrm base pairs with the cοrrespοnding nucleοtides οn the DNA strand.
Hοwever, there are a few differences between the twο types οf nucleic acid, such as the use οf uracil (U) instead οf thymine (T) in RNA, and the fact that RNA is usually single-stranded while DNA is dοuble-stranded.
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If 12.5% of a Carbon-14 sample remain...
a. How many
half-lives have gone by?
b. How old is the sample?
Answer:
The half-life of carbon-14 is 5730 years. Therefore, after 1 half-life there is 50% = 1 2 of the original amounts left. 2 half-lives there is 25% = 1 4 of the original amounts left. 3 half-lives there is 12.5% = 1 8 of the original amounts left.
Explanation:
What is the length of the side of each of the smallest squares on your hemocytometer? biol 4100
The length of the side of each of the smallest squares on your Hemocytometer is 50 micrometers.
The hemocytometer (or haemocytometer) is a counting-chamber device that was initially created for counting blood cells.
Louis-Charles Malassez designed the hemocytometer, which consists of a thick glass microscope slide with a rectangular depression that produces a precise volume chamber. This chamber has a laser-etched grid of perpendicular lines. The gadget is meticulously built such that the region limited by the lines and the depth of the chamber are both understood. It is therefore feasible to count the number of cells or particles in a certain volume of fluid by watching a defined region of the grid, and hence compute the concentration of cells in the fluid overall, by observing a defined area of the grid. The Neubauer counting chamber is a popular type of hemocytometer.
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What do saturated fats and trans fats have in common
Dietary fats such as trans fats and saturated fats have both been linked to poor health outcomes.
What is saturated fat?Dietary fats of the saturated variety are normally solid at room temperature. It can be present in some plant-based foods like coconut and palm oil as well as in animal products like meat, dairy, and butter.
The fact that both saturated and trans fats are solid at room temperature is one of their main commonalities. Animal goods including meat, dairy, and butter as well as tropical oils like coconut and palm oil often include saturated fats. Vegetable oils that have been partially hydrogenated, which are utilized in many processed meals like baked goods, fried dishes, and snacks, frequently include trans fats.
Saturated and trans fats both have the potential to elevate levels of the "bad" LDL cholesterol in the blood, which has been related to an increased risk of heart disease. Also, they may contribute to bodily inflammation, which raises the risk of other chronic illnesses including diabetes and cancer.
It is advised to minimize consumption of saturated and trans fats and concentrate on ingesting more beneficial unsaturated fats, such as those present in nuts, seeds, and fatty fish, in order to lessen their detrimental impact on health.
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during the yeast fermentation lab, why did glucose show a higher rate of fermentation than starch? multiple choice starch is a disaccharide. starch is a polysaccharide. glucose is a disaccharide. glucose is a polysaccharide.
During yeast fermentation lab, glucose shows a higher rate of fermentation than starch as : starch is a polysaccharide.
What happens in yeast fermentation?During the yeast fermentation, glucose is converted to ethanol and carbon dioxide by the action of yeast enzymes. Starch is a complex carbohydrate that is made up of many glucose units linked together in chain. In order for yeast to ferment starch, the starch must be broken down into component glucose molecules, which takes time and requires additional enzymes.
Therefore, glucose shows higher rate of fermentation than starch because it is already in the form of simple sugar that can be readily metabolized by yeast. Starch, being a polysaccharide, is more complex and hence requires more processing before it can be used by yeast for fermentation.
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Please help !!! (Will mark as brainlist) (Punnett Problems) fill in the blanks
Explanation:
cross: FF X Ff
off spring look like: FF,Ff
All of the genotype will be: FF,Ff,FF,Ff
what do you see yourself continuously doing to promote sustainability???
Answer:
How can someonebe political
Which of the following does NOT support the theory of natural selection? *
There are species that live in North America that are not found in Australia
Humans have small bones at the end of our spine that resemble tail
bones in other animals
Prehistoric mastodons are similar to today's elephants
Species that are similar to each other tend to live near each other
Answer:
It's A.
Explanation:
There are species that live in North America that are not found in Australia. This fact does not provide evidence for or against the theory of natural selection, which is based on the idea that organisms with traits that are better suited to their environment are more likely to survive and reproduce, passing those traits on to their offspring. Choices B, C, and D are all examples that support the theory of natural selection because they demonstrate how traits can change over time in response to environmental pressures, as seen in the vestigial tailbones in humans, the similarities between mastodons and elephants, and the tendency for similar species to live near each other.
Which statement should be included to establish a claim to back the thesis? Responses
A Polluters should be held accountable for their actions.Polluters should be held accountable for their actions.
B Some say that pollution isn't a problem, but they are wrong.Some say that pollution isn't a problem, but they are wrong.
C The penalty a polluter must currently pay is in many cases, laughably insignificant.The penalty a polluter must currently pay is in many cases, laughably insignificant.
D Pollution is a terrible problem today.
The statement that should be included to establish a claim to back the thesis is option C: "The penalty a polluter must currently pay is in many cases, laughably insignificant." This statement provides evidence to support the argument that polluters should be held accountable for their actions by highlighting the inadequacy of current penalties for polluting. By including this statement, the writer is making a specific claim about the need for stronger consequences for polluters, which supports the overall thesis that polluters should be held accountable for their actions. The other options do not provide specific evidence to support the thesis.
2. The function of a protein is related to its shape (tertiary and
quaternary structure). View the images below showing the
structures of different proteins. Match each figure to the
appropriate description in the list below.
Based on the structure of the proteins;
the first image is collagenthe second image is the porin proteinthe third image is kinesinthe fourth image is microtubulesWhat is the function of the given proteins?The function of a protein is related to its shape (tertiary and quaternary structure.
The function of the given proteins as related to their structure is as follows;
A microtubule is a protein structure that provides a track for a motor protein that moves a vesicle.A motor protein, kinesin, walks along a microtubule carrying a vesicle with its contents.A porin protein provides a channel for a small molecule to diffuse across a cell membrane.Collagen is a long protein with several polypeptides twisted together like a rope or cable. Collagen gives strength to the tendons and ligaments which connect bones and muscles.Learn more about proteins at: https://brainly.com/question/884935
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how does the distribution of starch compare with tparts of leaf in which carbon fixation reactions take place g
The distribution of starch in a leaf is closely related to the parts of the leaf where carbon fixation reactions take place. Starch accumulates in the mesophyll cells of leaves, which are responsible for carbon fixation through photosynthesis.
Starch is a carbohydrate that is produced as a result of photosynthesis and is stored in various parts of the leaf to provide energy for growth and development. The distribution of starch is directly related to the parts of the leaf where carbon fixation occurs. Starch accumulates in the mesophyll cells of leaves, which are responsible for carbon fixation through photosynthesis.
Starch accumulation is critical because it serves as a reservoir of carbohydrates that can be used to support other plant functions, such as growth, development, and energy production. Starch is stored in chloroplasts, which are organelles that contain the pigments responsible for photosynthesis. Carbon dioxide is fixed in the chloroplasts, resulting in the production of sugar, which is then converted to starch for storage.
The greater the rate of carbon fixation in the chloroplasts, the more starch will be produced, and the higher the accumulation in the mesophyll cells. The location of starch within the leaf can be determined by staining the leaf tissue with iodine, which produces a blue-black color when it comes into contact with starch.
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Meg and Demetrius are having an argument about trees with needles. Meg says all trees with needles stay green
all year round like evergreens, but Demetrius says there are some trees that lose their needles seasonally. Who is
correct?
Meg, because trees with needles are not deciduous.
O
Demetrius, because trees with needles can be deciduous.
O
Meg, because all trees with needles stay green year round.
O
Demetrius, because all trees with needles lose their needles seasonally.
Meg, because trees with needles are not deciduous.
Why do evergreen trees remain green all year?Evergreens have thick, waxy leaves that are coiled up into long, thin needles. The needle form allows evergreens to save water in the summer and winter, allowing photosynthesis to continue. This is why the needle leaves may stay connected and green all year.
Because evergreen needles are thinner and have less surface area to dry or freeze than huge deciduous leaves, they can endure low weather. Their breathing pores, known as stomata, are located at the base of the needles and stay closed during the winter to protect them from temperature extremes.
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Where does the messenger RNA go after it leaves the nucleus?
Answer: Cytoplasm
Explanation:
Which of the following terms describes a muscle's ability to exert strength to create movement?
dynamic strength
kinesiology
palpation
myofascial release
Answer:
I believe it's Dynamic Strength.
Explanation:
I hope this helps! :)
Place the following steps in the correct order to represent how organic nutrients reach the cells of the body from the digestive system and fuel cellular respiration
The correct order to represent how organic nutrients reach the cells of the body from the digestive system and fuel cellular respiration are:
The daily food consumption of an organism provides fuel and building blocks for the body.Food is broken down via the digestive system.With the assistance of the circulatory system, the digestive system supplies nutrients and water to the cells.Within a cell, fuel molecules are further broken down during the following steps: glycolysis, the prep reaction, and the citric acid cycle.Large quantities of ATP are produced when electron carriers travel to the electron transport chain embedded in the inner membrane of the mitochondria.The process of how organic nutrients reach the cells of the body from the digestive system and fuel cellular respiration starts with the daily food consumption, which provides fuel and building blocks for the body.
The food is then broken down via the digestive system, and with the assistance of the circulatory system, the digestive system supplies nutrients and water to the cells. Inside the cells, fuel molecules are further broken down through glycolysis, the prep reaction, and the citric acid cycle, which eventually lead to the production of ATP through the electron transport chain embedded in the inner membrane of the mitochondria. Thus, the steps are in the correct order to show how organic nutrients are transformed into energy for the cells to use.
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The complete question is:
Digestive system to cells Place the following steps in the correct order to represent how organic nutrients reach the cells of the body from the digestive system and fuel cellular respiration. Rank the options below.
Large quantities of ATP are produced when electron carriers travel to the electron transport chain embedded in the inner membrane of the mitochondria.
The daily food consumption of an organism provides fuel and building blocks for the body.
Food is broken down via the digestive system.
Within a cell, fuel molecules are further broken down during the following steps: glycolysis, the prep reaction, and the citric acid cycle
With the assistance of the circulatory system, the digestive system supplies nutrients and water to the cells
Which of the following are TRUE of fat and fuel use during exercise?A. Fat is the preferred fuel for low- to moderate-intensity activitiesB. Fat is a good short-term fuel since the fat stores in the body are almost unlimitedC. Oxygen is not needed to use fat to generate ATPD. Sprinting is an activity that primarily relies on fat for fuel
The correct answer is A. Fat is the preferred fuel for low- to moderate-intensity activities.
During low to moderate-intensity activities, the body relies on fat as the primary fuel source. This is because fat is a long-term energy source that can provide sustained energy for longer periods of time.
B. Fat is a good short-term fuel since the fat stores in the body are almost unlimited is not true. Fat is not a good short-term fuel source because it takes longer to break down and convert into energy.
C. Oxygen is not needed to use fat to generate ATP is not true. Oxygen is required to break down fat and convert it into ATP, which is the energy currency of the cell.
D. Sprinting is an activity that primarily relies on fat for fuel is not true. Sprinting is a high-intensity activity that primarily relies on carbohydrates for fuel. Carbohydrates are a quick and efficient source of energy that can be used during short-term, high-intensity activities.
therefore, The correct answer is A. Fat is the preferred fuel for low- to moderate-intensity activities.
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Which of these explains the feature that can form at the boundary of these two plates?
A. A range of volcanoes because the oceanic plate melts underneath the continental plate, forming a line of volcanoes on the continent
B. A broad canyon-like valley because the two plates act like a plow, digging out any soil in the plate's paths.
C. A mountain range because the two colliding plates have equal
composition and density, causing both to fold and form wide, thick
mountains
D. Island arc because the oceanic plate melts underneath the continental plate, forming volcanic mountains the eventually become islands
which shows discontinuity in development? group of answer choices changing rate of tree growth across seasons snakes periodically shedding skin the stages of caterpillar to chrysalis to butterfly flowers blooming
Snakes periodically shedding skin shows a discontinuity in development.
What is a discontinuity in development?Discontinuity in development is an inconsistent and inconsistent change in development. Discontinuous development is marked by irregular, non-linear changes that can occur in brief or long-term periods.
What is shedding in snakes?Shedding is a typical process in which snakes remove their outer skin layer, also known as shedding their skin or molting it. This process, known as ecdysis, is done by all reptiles, including snakes. It usually happens every few weeks or months, and it helps the snake in removing parasites, heal wounds, and get rid of damaged skin.
Snakes shed their skin periodically because it does not grow with their bodies. This results in discontinuity in development because snakes have an unpredictable change in development because of shedding.
The other options given in the question do not show discontinuity in development because: Changing rate of tree growth across seasons: Although the growth rate of trees may differ from season to season, there is no sudden and inconsistent change in tree growth.
Stages of caterpillar to chrysalis to butterfly: This is an instance of complete metamorphosis, where a creature goes through four distinct stages of development, but they follow each other linearly without any sudden or inconsistent changes.
Flowers blooming: Flowers bloom on a consistent schedule or based on environmental factors. Their growth and development are in a steady state without any sudden changes.
Therefore, snakes shedding their skin periodically shows a discontinuity in development.
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1. Select a professional athlete with a current or recent injury (within
last 6 months) who required/requires taping and/or wrapping to
return to play/train.
For my kinesiology class, I need to find a professional athlete who experiences/experienced a recent injury within the last 6 months, and as a result requires the use of taping and or wrapping to return to play/train.
One example of a professional athlete who experienced a recent injury and required taping and wrapping to return to play/train is Anthony Davis.
What is meant by professional athlete?Professional athletes are the people who have natural talent, stamina and competitive drive.
One example of professional athlete who experienced recent injury and required taping and wrapping to return to play/train is Anthony Davis, a basketball player for the Los Angeles Lakers.
In February 2021, Davis suffered a calf strain and aggravation of Achilles tendon injury, which caused him to miss several games. When he returned to play, he was seen wearing kinesiology tape on his lower leg to provide support and stability to injured area. The tape helps to reduce pain, swelling and inflammation and also improving joint function and muscle activation. By using kinesiology tape, Davis was able to continue playing while recovering from his injury.
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Where does LSD come from?
O A.
O B.
O c.
O D.
a poppy
tree bark
a chemical
a fungus
Answer:
LSD (lysergic acid diethylamide) is a synthetic chemical, made from a substance found in ergot, which is a fungus that infects rye (grain).
So d) Fungus.
Shortly explain the science behind gene therapy.
Answer:
Gene therapy is a medical technique that aims to cure diseases by changing a person's genetic material. Our genes are like a set of instructions that tell our cells what to do. Sometimes, these instructions can be wrong, and that can cause diseases. Gene therapy is a way of fixing those mistakes.
The process of gene therapy involves introducing new or modified genes into a person's cells to correct the faulty instructions. Scientists use different methods to do this, but the most common one is to use a modified virus called a "viral vector." This virus is engineered to carry the new or modified gene and infect the target cells, inserting the new gene into their DNA. Once the new gene is in the cell, it can produce the correct protein that was missing or defective, which can cure the disease.
Gene therapy can be used to treat a wide range of diseases, including genetic disorders like cystic fibrosis or sickle cell anemia, cancer, and viral infections like HIV. However, it is still a new field, and there are many challenges to overcome, such as making sure gene therapy is safe and effective and developing better ways to deliver the therapeutic genes to the right cells.
Hope this clears up your question
Which term matches this definition?
cells that have a nucleus and organelles
A. Flagella
B. Eukaryote
C. prokaryote
D. pathogen
Answer:
B. Eukaryote.
Explanation: I am not 100%, but I do believe this is the answer.
Amoeba sisters video recap: mutations i need the answer pls
Amoeba is a unicellular organism with shape-changing capabilities. They typically live in bodies of water like ponds, lakes, and slowly moving rivers.
A modification to a cell's chromosomes or genes is referred to as a mutation. The structure and growth of the progeny could be impacted by this change in the gametes. In biology, a mutation is an alteration to the genome, extrachromosomal DNA, or the nucleic acid sequence of a virus.
Gene mutations can be divided into two categories: small-scale mutations and large-scale mutations.
The structure and growth of the progeny could be impacted by this change in the gametes. In biology, a mutation is an alteration to the genome, extrachromosomal DNA, or the nucleic acid sequence of a virus.
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The tunicate, lamprey, Cladoselache, trout, lungfish, and frog all have a notochord.
The lamprey, Cladoselache, trout, lungfish, and frog all have a
The Cladoselache, trout, lungfish, and frog all have
The trout, lungfish, and frog all have a swim bladder or
The lungfish and frog have enamel.
The frog has four true
the four groups that were separated by the development of a ja
and vertebra.
Modern fish are a diverse group that are typically split into three groups: jawless fish (class or superclass Agnatha, approximately 75 species including lampreys and hagfish)
ClassificationCartilaginous fish (class Chondrichthyes, around 800 species including sharks and rays), and bony fish (class Osteichthyes, with over 26,000 species). Some people exclusively use the name "fish" to describe jawed bony fish, leaving out Agnatha and Chondrichthyes.Actinopterygii (lobe-finned fish) and Sarcopterygii (current subcategories or classes) are two commonly accepted Osteichthyes (ray-finned or spiny-finned fish). The Sacropterygii subclass is often where coelacanths belong.The Actinopterygii are typically separated into the Chondrostei and the Neopterygii, the latter of which comprises the Teleostei (contemporary bony fishes), a classification into which the majority of fish fit.For more information on fish kindly visit to.
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