What is meaning of cleavage

need help this is science

Its a sharp division or split, Like if you cause cleavage in a rockits just like slicing it.

Explanation:

wha is what i will use to get my free points

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above