Answer:
Cell membrane
If this helped can i have Brainliest
Answer:
because natural selection only acts on traits that impact reproductive success.
Answer:
D
Explanation:
An infection is when something invades your body, therefore, you are infected with micro-organisms making it D.
The number of protons in an atomic nucleus; it indicates the position of an element in the periodic table. The number of protons in the nucleus of an atom. Inelectrically neutral<span> atoms, this number is also equal to the number of electrons orbiting about the atom's nucleus.
hoped it helped!!</span>
When you are sick your muscles shut down and you skeletal system helps keep you from turning into a blob.