8. What do you call an organism that decomposes, or breaks down organic
material such as the remains of dead organisms?
A consumers
C. herbivores
B. decomposers D. producers
9. Why estuaries often called "the nurseries of the sea"?
A. Thousands of species of birds, mammals, fish and other wildlife depend on
estuarine habitat as places to live, feed, and reproduce.
B. Many marine organisms, including most commercially important species of
fish depend on estuaries at the time when they are completing their life
cycle.
C. Provides migratory birds to rest and refuel during their long journey.
D. All of the above
10. Where does intertidal zone ecosystem found
A. on the shores of the lake
B. on the edge of a pond
C. on the banks of a river
D. on the edge of a pond on sandy beaches and along rocky shorelines​