What are the four pieces of evidence that can be used as evidence for evoultion?

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.

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

What is the primary function of the nervous system?