Answer:
the answer is B and C
Explanation:
B.The same ancestral bear species can give rise to two or more species of modern bears.
C. Each of the 8 species of modern bears may have high fitness in only some environments.
Answer:
b and c
Explanation:
i did the test
write a paragraph of the Characteristics of Life
Answer:
All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life.
Explanation:
Brainliest please?
2
A sprinter has a force exerted on him of 68N as he accelerates at 8 m/s2.
What is the mass of the sprinter?
Core material is thought to be mostly:
Answer: steel nickel
Explanation:
The cell membrane regulates the movement of molecules in and out of the cell. What other functions does the cell membrane perform?
A. It has no other functions.
B. It provides water to the entire cell.
C. It supports and protects the cell.
Answer: The answer to the solution is a
Explanation:
A student observes the following onion cells in the microscope. What type of solution was added to the sample and describe the movement of water?
Answer:
?
Explanation:
An advantage of (blank) repoduction is the ability to repoduce quickly ?
Answer:organisms
Explanation: hope this helps
how air enters from our mouth to toe?
When you breath in air through your mouth (or through your nose, but this question is asking about your mouth) it goes into your lungs. This oxygen then goes to various places round your body, one of these places being your blood stream. When the oxygen enters your blood stream, the blood could travel to your toe. This is how air would enter your mouth and get to your toe.
Answer:
When we breath air, it enters our trachea, which is the main passageway to our lungs. The lungs have something called bronchioles, which put that oxygen into tiny sacs and that air is delivered all across your body through arteries and veins! Vains reach to your toes, hands, and head, so they distribute oxygen everywhere.
In terms of the image below, the box on the top right is the example of the sacs of air in the bronchioles. The larger part of the image to the left is the overall respiratory system, and the arteries on the sacs of air are what deliver the air throughout the body.
PLS HELP ITS DNA MUTATIONS AND IDK WHAT TO DO
Answer:
6) insertion 7) deletion 8) inversion 9) substitution
10) substitution 11) insertion 12) deletion 13) substitution
14) inversion 15) insertion 16) inversion 17) deletion
18) insertion 19) Inversion 20) inversion
Explanation:
MARK AS BRAINLIEST
Thank you
How could you form a statement about your hypothesis based on the data?
What does that mean exactly?
Answer: it is asking if your hypothesis is different from your data or if it is close to what you thought would happen
Explanation:
Use the periodic table to identify the element indicated by each electron configuration by typing in the chemical symbol for the element
Answer:
Neon.
Explanation:
Neon is the element which has the electronic configuration of 1s2 2s2 2p6 In this electronic configuration indicates that 2 electrons are present in the s subshell of the first energy level , 2 electrons are located in the s subshell of the second energy level and 6 electrons are present in the p subshell of the second energy level. So by adding these electrons we get 10 total electrons which means that this electronic configuration is present in that element having 10 electrons in its shells which is Neon.
what is the basic unit of life
Answer:
[tex]\boxed{\boxed{\sf Cell }}[/tex]
MORE TO KNOW Cell is the basic unit of life and is capable of independent existence On the basis of number of cell all the organisms are divided into 2 types Unicellular MulticellularI) The organisms which has only one cell in their body are called Unicellular organisms
for ex - Amoeba , Paramecium
ii) The organisms which have more than one cell in their body are called Multicellular organisms
for ex - Humans , Animals
Basic structure of cellAll cell have some similar structure
I) Nucleus
ii) Cytoplasm
iii) Organelle
Iv) Cell membrane
Plant cell - Have cell wall
Large vacuole
Chloroplast
Animal cell - Lack cell wall and chloroplast , Have small vacuole
The body size of an organisms depend upon no. of cell and not on the volume
Cell --- ) Tissues ----) Organs ----) Organ system ----) Organisms
where is the lithosphere layer located
Answer:
The lithosphere is located below the atmosphere and above the asthenosphere.
Explanation:
The lithosphere layer is located at the outermost solid layer of the earth where the rocks and mountains are present, and it is also considered the earth's crust and the uppermost part of the mantle.
What is the significance of the lithosphere of the Earth?The lithosphere of the earth is significant because in this layer has all the earth's continents and ocean floors are contained, and it is the solid outer layer of the earth that has been providing the foundation for life on the earth's surface, including human civilization and other life forms. From this lithosphere layer, different earthquakes can be measured too.
Hence, the lithosphere layer is located at the outermost solid layer of the earth where the rocks and mountains are present, and it is also considered the earth's crust and the uppermost part of the mantle.
Learn more about the lithosphere of the Earth here.
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a comparison of ATP and glucose
Answer:
Glucose and ATP are organic compounds composed of carbon, hydrogen and oxygen. Cellular respiration breaks down glucose into water and carbon dioxide producing 38 net ATP molecules. ATP is the energy containing nucleotide in cells while the energy found in glucose is used to make ATP
Two students went for a walk in a small pond ecosystem where they observed several interactions. Read their observation below to find out what they saw. Small fish were found feeding on the green algae. Fish, frogs and snails were harder to find after a family of raccoons came to the pond. Fish and frogs were observed catching insects. As the amount of green algae increased, more insects and snails came to feed on it. A sample of the pond water contained bacteria.
Answer:
a food web
Explanation:
What they saw was a food web, which refers to connections of food chains showing how energy and nutrients are transferred from one organism to the other.
In this example, we observe there are seven organisms (fish, algae, snails, insects, frogs, raccoons + bacteria contained in the pond) in focus here.
The green algae are Producers (because it produces its own food, not dependant on others)
The bacteria act as Decomposers. ( because they process organic waste into meaningful natural nutrients again)
The other organisms are Consumers. (because they are dependant on others for their nutrition).
Which statement best distinguishes stem cells from other body cells?
A Stem cells are any body cells, such as mature red blood cells, that lack DNA.
B Stem cells are unspecialized cells that are able to differentiate into various cell types.
C Stem cells are cells that have temporarily differentiated into specialized cells.
D Stem cells are cells in multicellular organisms that are unable to perform cell division.
Answer:
Explanation:-All stem cells from a given organism contain the same genome. -All stem cells have the capacity to differentiate into specialized cell types. -Stem cells replenish our skin cells and red blood cells. i hope this helps
Scientists have cloned goats so they can take out a protein in the goats’ milk and use it to make medicine. The goats are raised in a laboratory. The medicine that is produced can help with certain diseases that affect humans.
Which best describes a disadvantage of this scenario?
The goats will have more genetic variation.
The goats will become infected with the human diseases.
There are unknown health risks to the goats.
There could be many health risks to drinking the goats’ milk.
Answer:
c
Explanation:
You and your friend are outside on a hot summer day. You hear the icecream truck in the distance and
you decide you will race to see who gets there faster. You both start running at top speed. A few
seconds later, you arrive at the truck and you're both sweating and panting hard. Your friend collapses
on the ground exclaiming “My heart is racing!" Develop an explanation for why your body is
responding in this way to maintain homeostasis. Make sure your answer includes lung function and
heart function to explain what controls the concentration of solutes in your body.
Answer:
Explanation:
Your heart is racing because you're breathing hard and trying to catch your breath which makes your lungs expand and contract quickly. By sweating your body is trying to reach homeostasis by cooling you off. Just a simple explanation.
Which of the following describes something that oceanographers study?
Ocean floor formations
Formation of groundwater
aquifers
soil conservations
Answer:
ocean floor formation
Explanation:
Answer:
the first one
Explanation:
the ocean floor formation
What part of the world will you find rainforest in?
Answer:
There are rainforests in South and Central America, Africa, Oceania (the islands around Australia), and Asia. Tropical rainforests cover only about 7% of the Earth's surface.
Explanation:
largest rainforests are in the Amazon River Basin (South America), the Congo River Basin (western Africa), and throughout much of southeast Asia. Smaller rainforests are located in Central America, Madagascar, Australia and nearby islands, India, and other locations in the tropics.
List following astronomical objects in order from smallest to largest ? planets , stars, moons, nebulae, galaxies , dwarf plants , universe , solar systems , meteors .
Answer:
;>;
Explanation:
warning: I am mostly guessing- so if u get this wrong I am sorry 100% sorry
here ya go!: universe, solar systems, galaxies, nebulae, meteors, planets, moons, dwarf planets, stars.
What 6 organelles help transport proteins inside the human cell?
Answer:
Nucleus. nucleus; animal cell. ...
Ribosomes. Ribosomes are the protein factories of the cell. ...
Endoplasmic reticulum. Ribosomes on the outer surface of the endoplasmic reticulum play an important role in protein synthesis within cells. ...
Golgi apparatus. Golgi apparatus. ...
Chloroplasts. chloroplast structure. ...
Mitochondria.
Explanation:
How many aminoacids are coded by the following mRNA sequence AUCGCAUACAAU
An amino acid is coded for every codon. A codon is composed of three nucleotides. This sequence contains 12 nucleotides, so it will code for 4 amino acids.
A strawberry farmer finds that, after a hard freeze, some of his strawberries are still alive. Which best explains why these stran
were able to survive?
A. They have larger leaves to protect the fruit than the other strawberries.
B. They have different genetic variations that cause them to be more resistant to cold temperatures.
C. They are able to reproduce more quickly than the other strawberries.
D. The color of the strawberries is darker, and they maintain their temperature better than other strawberries.
The statement that best explains why these strawberries were able to survive is as follows:
They have different genetic variations that cause them to be more resistant to cold temperatures.Thus, the correct option for this question is B.
What is Genetic variation?Genetic variation may be defined as the differences or alterations that are generally found on the genomic sequences of the individual of the same species. Genetic variation increases the chances of survivability of individuals among large population.
It may also be characterized as the existence of differences in sequences of genes between individual organisms of a species.
The genomic sequences of those strawberries that have resistance against cold temperatures must survive in extremely cold conditions are the rest are eliminated from their habitat.
Therefore, the correct option for this question is B.
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What trend in the complexity of life over time is seen through the fossil record?
Most animal and plant species we see in the fossil record are extinct, or no longer living. In fact, of all the species that ever lived, 98% are extinct. Animals and plants become extinct over time as a result of natural processes. Their habitat might change or a disease might wipe out a species.
The trend of extinction and difference in body parts in the complexity of life
over time is seen through the fossil record
Fossils refers to remains of living organisms which have been replaced in the form of rock particles due to its presence in the soil for a long period of time.
The fossils contain an understanding of the structures and characteristics
the animals had which is then compared to its present structures. This helps
to explain how the animals adapted to climate change through changes in
the structure, shape of parts of the body.
It also tells the location of animals and their different movements in response to challenges faced in the ecosystem.
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What can we NOT learn from the fossils found in rock strata?
Answer:
The location of fossils in rock layers provides evidence of Earth's past landscapes. It is hard to guess the age of rock. Scientists have to act like detectives, piecing together a mystery to determine how long ago rocks formed. Fossils found in a particular rock layer help scientists determine the age of the rock.
Explanation:
so anything besides of what I just said...
Hope this helps you, may i have brainliest please.
What we cannot learn from the fossils found in rock strata is: the diversity of organisms at a certain location or during a certain time period.
Rock strata (layers) that are found in various parts of the world are usually different from one another because they all comprises distinct Earth's geological history, which are referred to as fossils.
A fossil can be defined as the mineral impression or remains of both living and non-living organisms that are prehistoric in nature.
This ultimately implies that, fossils are ancient organisms such as plants and animals that were formed into rocks.
Some of the information that can be learnt from the fossils found in rock strata are:
The time when a species of an organism became extinct.How a particular organism has changed over time.The exact age of each individual fossil through the use of radiometric dating.Read more: https://brainly.com/question/22044539
Which of the following identifies the type of tissue organ x made out of an physiological process is involved in?
Answer:
b
Explanation:
because me teacher just went over it
41. Which of the following does not expend (use) energy?
a. diffusion
b. active transport
C. endocytosis
d.
a sodium-potassium pump
Answer: diffusion
Explanation: Diffusion expends no energy. Rather the different concentrations of materials in different areas are a form of potential energy, and diffusion is the dissipation of that potential energy as materials move down their concentration gradients, from high to low.
Among the options given, the process of diffusion does not expend or utilize energy. Thus, the correct option for this question is A.
What is Diffusion?Diffusion may be characterized as a type of movement of individual molecules of a substance from an area of higher concentration to an area of lower concentration through a semipermeable barrier. This biological movement cannot utilize any metabolic energy.
According to the context of this question, active transport is a type of transport of individual substance against a concentration gradient that actively require the use of metabolic energy. Apart from this, endocytosis and sodium-potassium pump also required energy for successful function within the body of living organisms.
Therefore, the process of diffusion does not expend or utilize energy. Thus, the correct option for this question is A.
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please help u will get 18 points:)
Answer:
depending variable
Explanation:
only thing changed in the experiment is uv light
A pulley was used to lift wood that weighed 3892 N. The force applied to the pulley was 274 N. What is the mechanical advantage of the pulley?
Answer:
1946/137
Explanation:
I would say this would go under physics rather than biology.
The mechanical advantage is found by the ratio of the output force to the input force. Writing this as an equation will be MA = F_o/F_i where F_o is the output force and F_i is the input force. Solving for MA with the information we have, we get: MA = 3892/274 = 1946/137
Which parts of photosynthesis occur in the stroma
of the chloroplast? Check all that apply.
1. The Sun's energy is captured
2. Carbon dioxide is used to build sugars.
3. Oxygen is produced,
4. Energy is transferred to ATP.
Answer:
1. The Sun's energy is captured
4. Energy is transferred to ATP.
Explanation:
Both of these things occur in the stroma. Both of these things are call the Calvin cycle.
Sorry this is just what I gathered. I apologize if this didn't help.
Answer:
Carbon dioxide is used to build sugars.
Explanation:
B is the only correct answer