The word is scientifically termed as Peristalsis.
Answer:
I would say it is E.
Explanation:
because fish, penguins, and dolphins are aquatic animals. It can't be A. because if it were vestigial it would be useless. It can't be B even though it does seem like the right answer because the are all aquatic. It can't be C. because it would been that the same species would have the same niche which is not possible. It can't be D. because every organism is evolved from a common ancestor.
Answer:
A mass
Explanation:
I learned it in 8th grade.
I filled in each labeled square for you and wrote each percentage to the right of each square with the genotype of the last two.
Archea can live in extreme environments; Eubacteria cannot.
and
The gene sequences of their rRNA are very different.
