Consumers in the reef can be further classified as filter feeders, or organisms that eat plankton by filtering water; grazers, or organisms that feed on organisms that don’t move; and predators, or organisms that eat other animals. List at least one example of each. Filter Feeders -
Gazers -
Predators -

1. in what ways have non-native species been beneficial? 2. what are some of the hypotheses for the collapse of honeybee colonies? 3. distinguish between regional and functional extinction. 4. why is it difficult to measure background extinction rates? 5. what three factors are most important in causing extinction rates to climb?