Corals are cnidaria which makes coral reef which is of calcium carbonate and act as eco system in deep marine water !
so the most appropriate answer is C !
Answer:
Beat more baleen whales
<span>Explanation: </span>
<span>Smaller toothed whales are secondary
consumers of fish. If the fish population declined, the populations of leopard
seals, elephant seals, and penguins; animals which make up a large portion of
the whales' diet; would likely also decline.
To survive, the smaller toothed whales would have to eat more animals that feed
primarily on krill instead of fish, such as seals (not leopard or elephant
seals) and baleen whales.</span>
Answer: Not sure if this is what you are looking for.
Explanation:
Answer:
Phytoplankton are the autotrophic components of the plankton community and a key part of ocean and freshwater ecosystems.