Answer:
Heritable variations exist in each population.
Each species seems suited for its particular environment.
A population has more individuals than can be supported by the environment.
Explanation:
The correct answer is D.) Atom ,
Everything in the universe is made of atoms , and matter is too.
Anything that takes up space is usually considered matter.
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I really hope this helps you a lot.
I believe they are both equally friendly. It all depends on size in my opinion. My friend owns a Shar Pei and it's his best friend.