8 A cell uses active transport to move molecules across a cellular membrane when F the molecules being transported are too small to be moved by passive transport.
G the cell has built up an excess of waste material it needs to remove.
H the molecules are being moved against a concentration gradient.
J the cell has no available energy it can use for any cellular processes.
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Nteractions between organisms and their environment impact the organism’s overall population. oahu amakihi and kauai amakihi are two closely related species of hawaiian honeycreepers. they have a common ancestor, eat small insects and nectar, and like to nest in koa trees. however, one species is found on the island of oahu, and the other is found on the island of kauai. which concept shows the relationship between oahu amakihi and kauai amakihi?

Acommon kind of mechanical weathering is called

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes