Answer:
A. Mutualism
Explanation:
<u>Mutualism</u> The bristle worm living with the hermit crab.
Simplest measurement- <span>The number of different species.. True</span>
D. Bacteria because “bacteria” is actually a domain itself
Eons into two or more eras, eras into two or more periods, periods into two or more epochs, and epochs into two or more ages.
