Which of the statements is true based on the food chain shown here? 1. energy from photosynthesis will transfer to snake. 2. mice and bugs have a parasitic relationship. 3. snakes get energy directly through plant consumption. 4. most insects are autotrophs.

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they