What is the correlation between mirna diversity and animal complexity?

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.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

Which of the following is a common response to cell signaling?