Answer: wetlands
Explanation: Wetlands are considered the most biologically diverse of all ecosystems.
Termites depend on digestive tract to digest the complex sugars into simpler molecules that they can use for food. Cellulose is a major sugar and it is broken down in the hindgut of the termite by microbes into molecules called short-chain fatty acids. The termite's cells use these acids as nourishment, just like our cells do.
therefore, answer is A. mutualism
Protein can be reversed to make glucose so the answer is protein
The answer is B because continental climate is the combination of both hot and cold climates. The Earth isn't only dry nor is it only polar. It is a combination of both that make up the Earth as it is today.