Which muscles act involuntarily.

What adaptations can prey use to avoid predation

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.

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell