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3 years ago

8

Evolution is the process by which populations accumulate inherited changes over time. Which of the following mechanisms drives e

volution?
natural selection
nitrogen fixation
fossilization
plate tectonics

2 answers:

natima [27]3 years ago

7 0

Answer:

Natural Selection :D

Explanation:

Papessa [141]3 years ago

4 0

Natural selection is the only option that relates to the evolution theory

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Now consider a single base mutation in a codon for leucine that creates a codon for phenylalanine. A true reversion changes the

madam [21]

Answer:

options A, B, D and E

Explanation:

leucine codons include: UUA, UUG, CUU, CUC, CUA, CUG

phenylalanine codons include: UUU, UUC.

<u>C</u>UU

replace C with U to give

UU<u>U</u> phenylalanine codon

replace underlined with A

UUA leucine codon

<u>C</u>UC

replace underlined with U

UU<u>C</u> phenylalanine codon

replace underlined with A or G

UUA, UUG leucine codons

UU<u>G</u>

replace underlined with U

<u>U</u>UU phenylalanine codons

replace underlined with C

CUU leucine codon

UU<u>A</u>

replace underlined with U or C

<u>U</u>UU or <u>U</u>UC phenylalanine codons

replace U with C

CUU or CUC leucine codons

7 0

3 years ago

What is the difference between primary and secondary succession

Sever21 [200]

Primary succession occurs in areas without life, while secondary succession occurs in places that were previously inhabitated.

Hope this helps!

:D®

7 0

3 years ago

Read 2 more answers

Murljashka [212]

Your answer would be A. Phosphorus

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4 years ago

Read 2 more answers

Which of the following is an anthropogenic cause of water pollution?

katen-ka-za [31]

Answer:

(C) farming fertilizers washing into lakes

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3 years ago

In a healthy person, after a carbohydrate-rich meal, the production of the hormone ________ will increase, causing the uptake of

wel

The answers are insulin?glucose. After a meal, the digestion of carbohydrates in the intestines release sugars , which are absorbed into the blood. If food contained high levels of simple sugars then blood sugars level rises quickly. Insulin is a hormone which is released by the pancrease in response to rising blood sugar levels. Insulin causes sugars to be stored in the liver in the form of glycogen and this in turn lowers your blood sugar level.

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3 years ago