The graph below shows organisms found in and around a pond. Choose the best interpretation of the data.
(Source: http://www.aquatax.ca/skAquaticInsectInfo.html)

A) Aquatic insects need the most protection when considering the conservation of biodiversity.
B) The amphibian and reptile populations of the pond are declining.
C) Aquatic insects are the major component in the biodiversity in this ecosystem.
D) There are too many birds for the pond to support.
E) Both a and c