What percent of the world’s freshwater exists in the Amazon Basin?

The difference between gross and net primary productivity is the energy that is lost due to

Rainforest soils are often nutrient poor.

In the African savanna, the reason for finding hexagonal distribution of termite mounds is:

Which of these would provide the greatest carbon sink?

Role played by fungi in the food chain

Which of the following is a product of photosynthesis:

Having long intestines and slow digestion makes it easier for ________ to withstand the toxicity of rain forest plant defense compounds.

School belonging is related to…

___________ is important for moving materials between the living and nonliving components of an ecosystem