What lead to the changes in how organisms are classified

What do you mean? The changes in how organisms are classified? What? I do know this that the organisms are classified on the basis of their cell structure, their locomotion, complexity of the cells and mode of nutrition.

i think the answer is gold im not entirely sure

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