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HELP WITH MARINE SCIENCE HOMEWORK?
1. explain why extremely unstable environments tend to have relatively low biodiversity,give examples including coral reefs(stable and not extreme),sand on a reef slope(unstable)and hydrothermal vents(extreme)
2. Give examples of organisms that occupy specialized and general ecological niches,including coral-eating butterfly fish and tuna
3.Explain why habitats with high biodiversity tend to contain narrow ecological niches

please answer it. this is until 11:00 only…
so hurry!!

Although three different butterfly species all inhabit the same flower garden in an area, competition between the butterflies rarely occurs. The most likely explanation for this lack of competition is that these butterflies
A. have a limited supply of food
B. are able to interbreed
C. occupy different niches
D. share food with each other