Question

alligators are considered a keystone species in specific parts of florida. what does this mean? it disproportionately influences the structure and functioning of its local florida ecosystem. it means the alligators are totally normal, niche filling species, in florida. it disproportionately degrades the structure and functioning of its local florida ecosystem.

Explanation:

A keystone species has a disproportionately large impact on its ecosystem relative to its abundance. It helps maintain the structure and functioning of the ecosystem. The second option is incorrect as keystone species are not just "normal niche - filling". The third option is wrong because keystone species do not degrade the ecosystem but rather play a crucial role in its stability. The first option aligns with the definition of a keystone species.

Answer:

It disproportionately influences the structure and functioning of its local Florida ecosystem.