Which statement best represents how structure relates to function? (points : 3)
butterfly cocoons are often camouflaged.
a horse's mane is often black.
some insects live longer than others.
many tropical birds can be taught to speak.

Which statement best describes the relationship between observations and conclusions? a) observations are based on conclusions b) conclusions are based on observations c) observations and conclusions both depend on research d) neither conclusions nor observations depend on research.

The chemical form of energy that is useable by the cell to do work

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called