Are filtering points throughout the body which act to filter bacteria and other large particles from the spaces between your cells.
a. mucous membranes
b. spleens
c. allergies
d. lymph nodes

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a. precipitation b. erosion c. migration d. condensation