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yanalaym [24]
3 years ago
10

Scientists have observed many close similarities in the DNA sequences of whales and dolphins. This observation is evidence of wh

ich idea?
Biology
1 answer:
photoshop1234 [79]3 years ago
7 0

Answer:

B

Explanation:

Is Ik sjcsciscjevivyaxahd

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Biology help pls,,<br><br>will give points : )
Step2247 [10]

Hey...

D

A

E

C

F

G

B

I hope this helps

7 0
3 years ago
Consider the cell cycle; which stage takes pretty much the same amount of time regardless of cell type? Explain
Natalija [7]

Answer:

The correct answer would be mitosis or M phase.

Mitosis or M phase is the phase of the cell cycle during which the actual division of the cell takes place that is, the division of nuclear content. It is also termed as karyokinesis.

It is primarily divided into four stages:

  • Prophase
  • Metaphase
  • Anaphase
  • Telophase.

It results in the equal distribution of  chromosomes into two daughter cells.

It is followed by cytokinesis by which cytoplasmic content is equally divided into the two daughter cells.

4 0
3 years ago
A malaria outbreak causing allele frequencies to change is an example of:
julsineya [31]

<u>Answer</u>: Natural selection.

<u>Explanation</u>:

  • The concept of <em>natural selection</em> was given by <em>Charles Darwin.</em>
  • According to this concept, in a given environment the organisms that possess <em>better adaptations</em> have<em> higher chances of survival</em> and, leave behind a <em>greater number of progenies</em>.
  • When malaria outbreak occurs, the allele frequencies change and only the organisms that possess the alleles which help them to <em>survive</em> this outbreak due to resistance against malarial infection will be selected by nature and<em> hence, this is an example of natural selection.</em>
3 0
3 years ago
Read 2 more answers
Which statement is true? oceanic crust is denser than continental crust oceanic crust is less dense than continental crust ocean
vazorg [7]

Answer:

Oceanic crust is thinner and denser than continental crust.

5 0
3 years ago
11. What is systolic pressure?
Romashka-Z-Leto [24]
When you take blood pressure, it is expressed in a fraction. The top number of that fraction is systolic pressure- the amount of pressure in your arteries during contraction of your heart muscle... I hope this helped! :)
5 0
3 years ago
Read 2 more answers
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