Asucculent plant is grown in a low light situation so that it is very tall. pale, and has few leaves compared to its siblings grown in full sun. is this an evolutionary change or not, and why?

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.

Nucleic acid certain protein cell membranes certain carbohydrates

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?