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dybincka [34]
3 years ago
5

Yalllllllll please answer quickly!! I PROMISE to give brainliest.. have a good day

Biology
1 answer:
ELEN [110]3 years ago
3 0

Answer:

Flatworms have well developed systems for digestion, reproduction and responding to the environment.

Explanation:

I got this question correct on my quiz, hope it is correct for you as well.

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To develop a molecular clock, you need to find which of the following?
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Answer;

2) the rate at which changes occur in a type of molecule

Explanation;

The molecular clock is figurative term for a technique that uses the mutation rate of biomolecules to deduce the time in prehistory when two or more life forms diverged.

Scientists can use relaxed-clock methods to deal with variation in the rate of the molecular clock. By measuring the patterns of evolutionary rate variation among organisms, they can also gain valuable insight into the biological processes that determine how quickly the molecular clock ticks.

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What is cell physiology<br>​
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3 years ago
All of the following are examples of freshwater wetlands except
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lakes and ponds

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What is the ABO blood classification based on?
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Question 1. The best answer is C - antigen on the red blood.

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1. blood type A has antigen A  on the red cell membrane.

2. blood type B has antigen B on the red cell membrane.

3. blood type AB has both antigen A and B on the cell membrane.

4. blood type O has no antigen at all on the red cell membrane.

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