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jekas [21]
2 years ago
10

Why can't one vaccine work for all diseases or illness? Accurate and explained answer.

Biology
1 answer:
mariarad [96]2 years ago
5 0

Answer:

because not every virus or disease has the same DNA or RNA

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.A small moth pollinates native trees when they bloom in April. Some of the moths emerge in early March and discover a different
kramer

Answer:

The correct option is: A) sympatric speciation

Explanation:

Sympatric speciation is a type of geographic mode of speciation. It refers to the evolution of two or more than two new or descendant species from the  existing common descent. The new species and the ancestral species all live in the same geographic area or location.

The common example of this speciation is insects like moths that become dependent on different plants belonging to the same geographical area.

8 0
2 years ago
1. change in the frequency of inherited traits in a population over generations.?
Greeley [361]

Answer:

1- C, evolution.

2- D, adaptation.

3-A, gene. (if it is multiple choice, then its A and B.)

4-E, fitness.

Add-on:

sorry if its incorrect, hope this helped you.

7 0
2 years ago
What ways does a frog differ from a tadpole
Dafna1 [17]
Tadpoles have gills allowing them to breathe underwater while frogs have lungs. Tadpoles have tails and fins to help them swim while frogs have arms and legs. 
8 0
2 years ago
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Plzzzzzzzzzzzzzzzzzzzzzzzzzzz help i only need help with B everything eles i can do my self
Nina [5.8K]

Answer:

I believe that it is the lettuce.

Explanation:

it is the fist thing in the graph so it is the start/producer of the chain.

4 0
2 years ago
Fred is studying his notes from anatomy class. One list in his notes describes features of a CNS structure.
natta225 [31]

ans is D. Most items are features in the spinal cord, but the hippocampus is in the brain.

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