What is the term for the leaf openings responsible for gaseous exchange?

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

What is the role of the phospholipid belayer in cellular transport in living cells