At a mid-ocean ridge, a crack forms along the oceanic crust causing
a) sound waves
b) lithosphere
c) oceanic crust
d) seafloor spreading

Which of the following are true about bacteria? select all that apply. bacteria are all around you. bacteria can or harmful. bacteria are multicellular organisms. bacteria can only be found on the human body.

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.

Define adaptation. why do organisms adapt? give an example.