4th- circular DNA molecules and small ribosomes
Answer:is b why because take part in a conversation or discussion to resolve a problem.
Explanation:
<span>Eukaryotes that lack the characteristics of animals, plants or fungi are classified into the kingdom "Protista"
In short, Your Answer would be Option B
Hope this helps!</span>
For the first answer, it represents homeostasis by having it ajust the muscles in the body.
for the second one, it represents it by having it the heart increase. i hope this answer helps.