The head of a tapeworm is called the

The images above of a yellow jacket and a nonstinging wasp are an example of ____

a. mimicry b. display behavior c. warning coloration d. chemical defenses e. camouflage

The ideal diet consists of all EXCEPT which

of the following? a. bulk b. few carbohydrates c. little salt and refined sugar d. little red meat e. fish, poultry, and legumes

The cephalochordates possess an atrium that is used to filter microscopic food particles out of the water.

Answer the following statement true (T) or false (F)

Oxygen crosses a plasma membrane by

A) osmosis. B) active transport. C) endocytosis. D) passive transport.