15. Sea sponges are an example of
(1 Point)
A. plankton
B. benthos
C. phytoplankton
D. plankton

Plankton

Explanation:

The zooplankton is usually the second step in phytoplankton based food pyramids. Many zooplankters are herbivores on the phytoplankton (diatoms and dinoflagellates). Almost every marine animal phylum has a larval stage that can be found in the plankton (sponges, sea anemones, worms, snails, crabs, lobsters, sea stars).

answer; seattle and los angeles; (west)

which elements do geologists measure to determine the age of an organism’s remains? check all that apply.

carbon-14

nitrogen

carbon-12