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Ivanshal [37]
2 years ago
6

How did fossils help study life

Biology
1 answer:
Marizza181 [45]2 years ago
7 0

Answer: By studying the fossil record we can tell how long life has existed on Earth, and how different plants and animals are related to each other. Often we can work out how and where they lived, and use this information to find out about ancient environments. Fossils can tell us a lot about the past.

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A flood kills most of the population of ants that live near river water
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3 years ago
As an environment changes, and some organisms have a higher fitness than other, natural selection acts directly on
olga2289 [7]
Natural selection acts directly on those gene variations for traits or phenotypes.
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6 0
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Outputs of photosynthesis
jeyben [28]

Answer: carbon dioxide, water molecules, glucose, and oxygen

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Which of the following is the most likely way to catch the norovirus?
scZoUnD [109]
I think is A but I’m not sure I just need points
4 0
1 year ago
Read 2 more answers
Some regions of a polypeptide may coil or fold back on themselves. This is called _____, and the coils or folds are held in plac
zalisa [80]

Answer:

The options are

A. secondary structure ... hydrogen bonds

B. secondary structure ... peptide bonds

C. tertiary structure ... hydrogen bonds

D. primary structure ... covalent bonds

E. tertiary structure ... covalent bonds

THE CORRECT ANSWER IS A.

A. secondary structure ... hydrogen bonds

Explanation:

The secondary structure of a polypeptide shows the localized regions of its organised structure being upheld by hydrogen bonds among the major groups

-NH and C = O

At the same time, it inhibits the hydrogen bonds of the side chains from influencing the reaction process.

The polypeptide secondary structure shows the dexterity to curl or fold as sustained by the polypeptide chains.

8 0
3 years ago
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