The answer is C- Excretory system. Hope this helps :)
One of the major elements of natural selection is that all species have genetic variation. Natural selection is a process when organisms adapt better to their environment. It is an essential key in evolution. There is a change in phenotype of a population over time.
Answer:
this is an example of a positive acceleration because Paul is speeding up not slowing down
Explanation:
<span>Which of the following best describes protists?
the best option is </span><span>They are a diverse group of eukaryotes that includes several unrelated lineages</span>