Answer:
The process that would be the correct label to replace the question mark in this question is:
B) Deposition
Explanation:
Deposition takes place after erosion of sedimentary rock. At this stage, the eroded sedimentary rocks build up under high pressure heat, wind, ice, water, and other natural forces to originate the rock formation cycle once again. Naturally, after deposition, the igneous rocks, which have then layered up sedimentary rocks to become metamorphic rocks.
I believe you are talking about Stem Cells.
The best answer would be "research reasons why species change over long periods of time"
if not i apologize but this is my best guess<span />
The first one with the boxing crab and anemone is mutualism.
The second one with the dog and flea is parasitism.