Muscle tissue in the body is made up of a group of what working together to perform a common function.

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 body of water found at number 4 on the map above is the

Why are common names a problem for scientist?