What is the food source for sponges and all other filter feeders?

A)
invertebrates only

B)
all particulate matter suspended in water

C)
particulate matter that deposits on the bottom only

D)
dead vertebrates

E)
vegetable matter only in the water

to figure the total magnification of an image that you are viewing through the microscope is really quite simple. to get the total magnification take the power of the objective (4x, 10x, 40x) and multiply by the power of the eyepiece, (usually 10x)

the correct answer is: " ventricles " .

{source: refer to text within question.}.

unless you remeber everything you always have to have data when recording anything.