Answer:
C. Paleozoic
Explanation:
Trilobites are a group of extinct marine arthropods. Just like many animals from today, including crustaceans, spiders, and insects, they belonged to the phylum Arthropoda. They lived in the Paleozoic era.
We can make this conclusion based on the fact that the period they existed in (from 521 to 250 million years ago) mostly fits the period described as Paleozoic (from 541 to 252 million years ago). However, we can see that they went extinct in the Mesozoic (250 million years ago is more than 252 million years ago). Compared to the entire time they existed, 2 million years is a relatively small amount of time, which makes Paleozoic the correct option.
The diagram below shows a sarcomere. If a disorder limits the number of
calcium ions that can bind to actin, what would happen to the sarcomere?
Myosin
Actin
phases
A. The myosin and actin would not separate, and the sarcomere
would remain contracted.
B. The myosin and actin would not separate, and the sarcomere
would be unable to contract.
C. The myosin and actin could not connect, and the sarcomere would
be unable to contract.
O D. The myosin and actin would not connect, and the sarcomere
would remain contracted.
No
Answer:
i would say C. but it is probably wrong. i don't really understand this stuff
The myosin and actin could not connect, and the sarcomere would
be unable to contract.
What is a sarcomere muscle?Sarcomeres are rather stereotyped and are repeated in the course of muscle cells, and the proteins inside them can trade-in periods, which reasons the overall length of a muscle to trade. A character sarcomere consists of many parallel actins (thin) and myosin (thick) filaments.
What is the difference between sarcomere and myofibrils?Myofibrils are composed of repeating sections of sarcomeres, which appear under the microscope as alternating dark and light bands. Sarcomeres are composed of long, fibrous proteins as filaments that slide beyond each other when a muscle contract or relaxes.
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How do Limiting factors affect biotic potential? Please hurry and help me
Biotic factors that a population needs include food availability. Abiotic factors may include space, water, and climate. The carrying capacity of an environment is reached when the number of births equal the number of deaths. A limiting factor determines the carrying capacity for a species.
Candice is examining a cell under a microscope. She has identified a cell wall, a nucleus, and chloroplast. What type of organism does this cell most likely belong to.
1.plant
2.fungus
3.animal
4.bacterium
Answer:
1. Plant
Explanation:
Only a plant has a cell wall, chloroplast, and nucleus. Since eukaryotes are the only ones with a nucleus, that cancels out bacteria and fungi. Since there is a chloroplast, you can tell that the cell has to be one of an autotroph which gives you plant.
When solar energy is more spread out, the sun is at an angle, What happens to the light energy??
Answer:
Explanation:
As the sun angle decreases, light is spread over a larger area and decreases in intensity (energy input per unit area). Figure 4.10 illustrates the effect of changing sun angle on the area illuminated and intensity of heating at different sun angles. hope i helped :)
What does it mean if an organism is multicellular?
How can forces be used to predict the movement of objects?
Think in terms of objects experiencing forces in opposite directions.
Answer:
Explanation:
The motion of an object is determined by the sun of the forces acting on it. If the total force on the object is not at zero then it’s motion will change.
a paragraph about proof
Answer:
Paragraph proof format
The paragraph proof is a proof written in the form of a paragraph. In other words, it is a logical argument written as a paragraph, giving evidence and details to arrive at a conclusion.
humans have __ chromosomes in the nucleus of every cell in our bodys
Explanation:
In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ between males and females.
Identify one organism, one population, and one community
Answer:
The study of organisms, populations and communities examines how organisms interact with each other and their environment at individual, population and community levels. To characterize these interactions, NEON quantifies and observes interactions among multiple organisms and their environments. By sampling a variety of organisms in aquatic and terrestrial systems, NEON provides data on individual traits, population dynamics and the composition of communities. Integrated with other data collected across NEON sites, the project produces data in the areas of biodiversity, infectious diseases and invasive species.
A scientist wants to know why the honeybee population is declining. Which step would the scientist MOST LIKELY do first?
A. Conduct an experiment to see if increased pollution is causing a decrease in the honeybee population.
B. Communicate the question to as many other scientists as possible so that they can discuss it.
C. Observe the problem and make a hypothesis about what is causing it.
D. Research to see if there is already a widely accepted explanation.
Research to see if there is already a widely accepted explanation.
Explanation:
Because if the scientist's problem is already solved and accepted he doesn't have to waste his time .
Does passive transport involve an expenditure of much energy? Why or why not?
A simple diagram of a DNA molecule is shown below. Which of the following is represented by X?
(photo above)
Answer:
From the diagram X = base pairs
Explanation:
Genetic information stored within DNA is used for growth, reproduction, and cell repair. DNA, deoxyribonucleic acids, are long-chain, helical macromolecules made of specific sequences of covalently bonded monomers called nucleotides.
Nucleotides comprise:
a 5-Carbon deoxyribose sugar, one nitrogenous base (adenine, guanine thymine, and cytosine) and a phosphate group.Nitrogenous bases cause nucleotides to form hydrogen bonds with other nucleotides as base-pairs. The four types of bases each make the nucleotides Thymine and Cytosine (pyrimidine bases) along with Guanine, and Adenine, (purine bases). In base-pair formation, Adenine forms double bonds with Thymine, and cytosine forms triple bonds with guanine.
When plants are closer to sunlight photosynthesis occurs
Answer:
Yeahh
Explanation:
When plants is around the place where the sunlight falls then plants can make their food
Which of these statements best explains how genes and proteins are related?
A. Genes are segments of DNA that code for proteins.
B.proteins are segments of DNA that code for genes
C.genes are the building blocks of proteins
D.proteins are the building blocks of genes
Answer:
The answer is A
Explanation:
I just took it
What do bacteria have in common with the cells of other living organisms?
Answer:
Summary. Bacteria are like eukaryotic cells in that they have cytoplasm, ribosomes, and a plasma membrane. Features that distinguish a bacterial cell from a eukaryotic cell include the circular DNA of the nucleoid, the lack of membrane-bound organelles, the cell wall of peptidoglycan, and flagella.
The process of forming ATP is? A) Digestion. B) Cellular Respiration. C) Metabolism. D) nutrition.
Answer:
[tex]\boxed {\boxed {\sf B. \ Cellular \ respiration}}[/tex]
Explanation:
First, let's analyze each process.
A. Digestion
This is the process of breaking down food.
B. Cellular respiration
This is the process of converting glucose and oxygen to carbon dioxide, water, and ATP.
C. Metabolism
This isn't really a process. It's the collection of all the chemical reactions in the body to keep the body functioning.
D. Nutrition
This term also isn't a process. Nutrition involves food, nutrients, and health.
We are looking for the process that forms ATP. Therefore, the best answer choice is B. Cellular respiration
The process of forming ATP is Cellular Respiration. Therefore option B is correct.
The process of forming ATP (Adenosine Triphosphate) is primarily through Cellular Respiration.
ATP is the main energy currency in cells, providing the energy needed for various cellular activities.
Cellular respiration is a series of metabolic reactions that occur in the mitochondria of cells, where organic molecules (such as glucose) are broken down and oxidized to release energy.
This energy is used to synthesize ATP from ADP (Adenosine Diphosphate) and inorganic phosphate (Pi).
Through cellular respiration, cells efficiently convert the energy stored in food molecules into a readily usable form of energy (ATP).
Which powers essential cellular processes, including muscle contraction, active transport, and synthesis of macromolecules.
Therefore option B Cellular Respiration is correct.
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True/False- A magnet can be strong enough to erase computer evidence.
Group of answer choices
True
False
Answer:
it could erase a tape but not easily disrupt any hard drive, emphasized "easily" as you would need a very powerful magnet to *destroy it* not erase it.
THANKS TO JESSE PINKMAN
osmosis involves movement of water through a semipermeable membrane, like the cell membrane t/f
Answer:
True
Explanation:
Please help me need this before 9:00 and please use your own word not from google
Hydrogen bonds are important because
Answer:
Explanation:
Hydrogen bonding reduces extreme temperature shifts near large bodies of water.
Hydrogen bonding allows animals to cool themselves using perspiration because such a large amount of heat is needed to...
Hydrogen bonding keeps water in its liquid state over a wider temperature range than for any other comparable-sized...
All of the following can interfere with the breakdown of organic waste material in the soil except:
A
minerals
N
B
solvents
С
plastics
D
pesticides
Answer: A. Minerals
Explanation:
(i’m sorry this is so late)
All of the following can interfere with the breakdown of organic waste material in the soil except minerals. Thus, option A is correct.
What are minerals?There has been different kinds of the minerals. A mineral has been simply defined as any pure substance that has known to have the unique composition as well as structure. A rock has been simply known to be the combination or the mix up of the lot of different minerals and may sometimes include only one type of mineral.
It has been formed as the residual result from the parent material that had been undergone prolonged weathering the process. This part of the soil would be determine which has type of the plants has been capable in the absorbing the nutrient in that area and which plants that don't.
Therefore, All of the following can interfere with the breakdown of organic waste material in the soil except minerals. Thus, option A is correct.
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Scientific evidence shows that modern dogs, wolves, and foxes all have a common ancestor. Further evidence shows that dogs are more closely related to wolves than to fixes. Which of the following observations provides the BEST evidence that dogs are more closely related to wolves than to foxes? *
A. The diets of dogs and wolves are more similar that the diets of dogs and foxes.
B. The lifespans of dogs and wolves are more similar than the lifespans of dogs and foxes.
C. The genetic sequences (DNA) of dogs and wolves are more similar than the genetic sequences of dogs and foxes.
D. The body sizes of dogs and wolves are more similar than the body sizes of dogs and foxes.
The observation that provides the best evidence that dogs are more related to wolves than to foxes is the DNA sequence of dogs and wolves being more similar than that of dogs and foxes.
The DNA is a molecule that stores the genetic information of organisms. Thus, closely related organisms have similar information on their DNA, usually indicated by similar nucleotide sequences.
Therefore, if dogs and wolves are more closely related in ancestry than dogs and foxes, the DNA sequence of dogs and wolves will be more similar than the DNA sequence of dogs and foxes.
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An air mass takes on temperature and moisture characteristics of the land
or water beneath it. What kind of air mass forms over tropical waters that
have been heated by the sun?
A) cool and moist
B) hot and very dry
C) warm and moist
D) cold and dry
I need this today please help
Answer:
I'm pretty sure its c
Explanation:
Warm and moist kind of air mass forms over tropical waters that have been heated by the sun. Hence option C is correct.
What are topical waters?Topical waters are defined as water between the Tropic of Cancer (23.5° North latitude) and the Tropic of Capricorn (23.5° South latitude). In the Köppen climatic classification, a tropical climate is one in which the average monthly temperature is over 18°C. There is no winter season and there is more annual rainfall than annual evaporation.
A good illustration of this kind of fish is the goldfish. On the other hand, "tropical" or "warm water" fish require a water temperature that is optimal for their comfort and health. Although different species of fish have varying needs, tropical fish generally demand water that is between 76 and 80 degrees Fahrenheit (25 and 27 degrees Celsius).
Thus, warm and moist kind of air mass forms over tropical waters that have been heated by the sun. Hence option C is correct.
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A 60kg person climbs stairs of total height of 20m in two minutes.calculate the power delivered.g:10ms
1
10
TIME REMAINING
01:53:12
Which statement describes what will most likely occur when warm air cools and the temperature drops to the dew
point?
Air will become more humid.
• Solid ice will form on leaves
Cumulus clouds will disappear.
Water vapor in the air will evaporate.
Answer:
Air will become more humid
Explanation:
due to the cooling of the air
Answer:
air will become more humid
Explanation:
answer.
1
A DNA nucleotide consists of three smaller units.
Which type of biomolecule represents one of these
smaller units?
A Carbohydrate
B Lipid
C Protein
D Nucleic acid
Answer: Carbohydrate
Explanation: You may be familiar with the sugar-phosphate backbone, which just serves as structural framework for the DNA strand. Phosphate sugars are carbohydrates that link to phosphates and nitrogenous bases to create a helix.
Is the fossil record complete for humans? Explain your answer.
what are the four main types of marcromolescules found in organisms
Answer: carbohydrates, lipids, proteins, and nucleic acids
Explanation:
Measuring Populations (brainliest)
Answer:
I believe your answer would be C: interactions between individuals
Explanation:
Brainliest if this is correct?
Answer:
Letter C, interactions between individuals
Explanation:
Also, I love your profile pic!!
Please give me an answer and don’t confuse me because everybody is giving me different answers :(
Answer:
In plants and some protists, such as algae
Explanation:
Chloroplasts are organelles found in cells of plants and some protists, such as algae. They contain a pigment called chlorophyll, which makes them green. Thanks to this protein, they conduct photosynthesis - a process in which energy from sunlight is converted into sugars, i.e. food. In this process, oxygen is being released.
Root systems are classified as fibrous root systems and taproot systems.
Which property distinguishes the two types of root systems from each other?
A)
the method of water absorption
B)
the branching pattern of the roots
C)
the presence of xylem and phloem
D)
the growth rate of the roots
Answer:
B) the branching pattern of the roots
Explanation:
Plant roots function as anchors, food storage and aid in the uptake of water and minerals- other modifications include gas exchange and chemical signaling.
Root systems are mainly classified as taproots, usually found in dicots or fibrous roots found in monocots - some plants are a varying combination of the two systems. While tap roots consist of a larger, vertical main root surrounded by smaller lateral roots, fibrous roots are typically a dense network of roots that grow near the surface of the soil.
Taproots are thought to be more common in plants inhabiting regions experiencing water scarcity, while fibrous roots are thought to grow in more lush, water-abundant regions.
Examples of these roots systems include...
taproots: dandelions, carrots, turnipsfibrous roots: grasses, corn