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ale4655 [162]
3 years ago
13

What does looking at old bones and shells tell us about evolution?

Biology
1 answer:
Lena [83]3 years ago
3 0
Depends on what you believe in
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You eat a candy bar to get you through a late-night studying session. Your body quickly begins to break down the macromolecules
irga5000 [103]

Answer:

a. First Step: The sugars are broken down to simple glucose molecules and the proteins and lipids are broken down to acetyl-CoA molecules. No energy is produced in this first step.

b. Second Step: Glycolysis converts the glucose to two molecules of pyruvate. Six ATP molecules are produced in this step.

c. Third Step: Oxidation of each pyruvate produces two molecules of acetyl-CoA. Six ATP molecules are produced in this step.

d. Fourth Step: Two acetyl-CoA molecules go through the Krebs (citric acid) cycle. Twenty-four ATP molecules are produced through this process.

e. All of the above steps are part of the break down of the candy bar's macromolecules.

Explanation:

7 0
4 years ago
Zebra mussels native to the caspian sea migrated to the great lakes of the united states in the ballast water of ships . what pr
12345 [234]
Invasive Species ( just took the test its right)  
7 0
3 years ago
Which of the following are involved in the
Finger [1]

Answer:

Which of the following are involved in the  cycling of nutrients in nature?

I.Bacteria

II.Plants

III.Earthworms

IV.Humans

Bacteria, Plants and Earthworms

Explanation:

Bacteria, Plants and Earthworms plays vital role im nutrients recycling in nature, earthworm does this during soil burrowing which enables the soil to mix together easily and allow nutrients to circulate. Plants also helps through the practice of mixed cropping and shifting cultivation whereby different plant is planted every year as the case maybe.

6 0
3 years ago
How does a hypothesis help scientists understand the natural world?
Pepsi [2]
<span> The hypothesis is an idea that suggests how things work in nature.

The main way the hypothesis is going to help you is by testing it, scientists can (most of the time) set up tests to verify is the hypothesis is possible or not, still that doesn't mean that the hypothesis is true. If the hypothesis is possible(likely to be right) and is the more likely to happen, it is said to be an accepted hypothesis. Hope this helps!!</span>
8 0
4 years ago
Each stage of community change during the process of succession is known as a ___________ stage.
FinnZ [79.3K]

Answer: Seral stage

Explanation:

The seral community commonly known as sere. It is an intermediate stage which is found during the ecological succession in an ecosystem.

This is an intermediate stage that comes before every stage of ecological succession advancing towards its climax community.

It starts with the pioneer species and keeps on evolving until climax community is attained.

Hence, the correct answer is option C

7 0
4 years ago
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