Which level of ecological study focuses the most on abiotic factors? speciation ecologycommunity ecologyecosystem ecologypopulation ecologynone of the above focuses on abiotic factors

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

the endomembrane system i think