A sponge feeds by: a) using a net and the current to sweep food particles through it b) squeezing the spongocoel cavity to suck debris in and out through the osculum c) beating the flagella of collar cells to form a current, food is absorbed by collar cells and passed to the amoebocytes d) none of the above

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

digestion

it excretes wastes

there's no big difference.

explanation:

the only little different between a rabbit and bunny is just that bunnies are much smaller than rabbits. bunnies are basically baby rabbits.