Mrs. Clink is type “A” and Mr. Clink is type "O." They have three children named Matthew, Mark, and Luke. Mark is type "O,” Matthew is type "A," and Luke is type “AB.”

Diffusion and osmosis are forms of passive transport

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.

Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)