Acell well divide and make two cells that are exactly the same.
true or false

How does oxygen move from the respiratory system to the circulatory system? a. by pumping through the heart b. by circulating in an artery c. by moving across a synapse d. by diffusion across a capillary wall

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area