When will natural selection occur?
A. When there are plenty of resources
B. When there is no genetic variation.
C. When there is limited food.
D. When there is no competition

Abanana plant produces rhizomes, which are involved in

Which of the following are causes of coastal erosion? check all that apply. beach grasses and other plants trap windblown sand. wave action carves away the coastline. groundwater under pressure is forced to earth’s surface. artificial structures stop the natural flow of sand along the coast. underground caves collapse as bedrock is dissolved.

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