Consider an ocean community where corals are the most abundant species, where they "build" new habitats using calcium carbonate deposits, creating a coral reef. Which of the following terms can be applied to corals in this community?

If a forest contains 47,000 kg of plant material, how many kg of tertiary consumers can it support?

Match each of the following species to their role in their respective communities:

Beaver: builds dams in rivers/lakes, significantly altering habitats in the area.

Ochre Sea Star: preys on mussels, preventing them from overpopulating intertidal zones & dominating the habitat.

Red Mangrove Tree: stabilizes shorelines by reducing erosion, provides nurseries for fish in coastal regions.

Which of the following could be characterized as top-down control in a community?