High levels of biodiversity in the rainforest have resulted in .low levels of competition for resourcesb. generalist organisms able to thrive in many environmentsc. optimal conditions for life to existd. organisms specialized for living in a particular niche

Rainforests have a very high percentage of the total biodiversities of the world. The rich biodiversity relates to the specialization of various species for living in a particular niche like this. So, your answer is D. High biodiversity also relates to forest fragmentation, and climatic localisations.

The correct answer is b

When you are making a guess you are forming a hypothesis