It is known as the opening statement
Answer:
The center and most sensitive part of the object or organism
Explanation:
Since everything is made of atoms there has to be something to keep all of them together that's where the nucleus comes in it's the one atom that differs from the other even though there are many different atoms the nucleus is special in that it's made up of neutrons and protons and maybe some electrons.
They mix up the genes causing the organism to have more genetic variation
Answer:
A: A way for an ecosystem to recover after a disturbance.
Explanation:
Adaptation: any change in the structure or behavior of a species which helps it to become better fitted to survive and reproduce in its environment.