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olga_2 [115]
3 years ago
7

Please someone help me with this

Biology
1 answer:
fiasKO [112]3 years ago
8 0

Answer:

Explanation:

1. a. Sunlight hitting the Earth's surface is the source of all energy in the pyramid.

b. 25,500 kcal is provided by this source to a square meter per year.

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Enzymes in your gastrointestinal tract digest your lunch. these chemical reactions are categorized as:________
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Enzymes in your gastrointestinal tract digest your lunch. these chemical reactions are categorized as catabolism.

<h3>What is catabolism?</h3>

The series of metabolic processes known as catabolism reduces molecules into smaller pieces that are then either oxidized to produce energy or utilised in other anabolic processes. Large compounds are divided into smaller components through catabolism.

<h3>What is a prime illustration of catabolism?</h3>

Catabolism happens as you are breaking down food. For instance, a piece of bread is broken down into simple components your body may absorb, such glucose, through this process (blood sugar).

<h3>What is difference between catabolism and anabolism?</h3>

The series of metabolic processes known as catabolism reduces molecules into smaller pieces that are then either oxidized to produce energy or utilised in other anabolic processes. The process of anabolism produces the molecules the body needs to function. Energy is released during the catabolism process. Energy is needed for anabolic processes.

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Explain how the fossil record indicates a long history of changing life forms.
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<h2><u>Answer:</u></h2>

Fossil: is preserved pre historic life form present under ground at high pressure for a long time.Animal die and burried under layers of sediments.

It provides evidence about the history of life on earth. It also shows  different groups of organisms, including species,that have changed over time. Because the formation of any fossil depends upon the precise combination of conditions.

As the world changes, plants and animals change with time . From fossils we compare organisms of modern time with ancient , the species we see today are very different from species that lived in the past. Thus, the fossil record can be used to show that organisms changed to meet new condition.


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