A. He should add shells that are different colors, but the same size and type, to the tank and observe which shells the hermit crabs choose.
Durning an experiment you need to keep everything the same but only change the certain things based on your theory.
Such as how the student wanted to see if the color attracted the crab. If he had changed the size and type of the shell then the crab would have chosen the bigger one as they tend to grow into larger shells.
Is there anything specific that you need or just any types of antibiotics??
I think it is C (meiosis)
Answer:
carbon, hydrogen and oxygenation
Answer:
that is the egg and is trying to hatch
Explanation:
