Author Question: Why are coral reefs important to ocean life? a) corals provide an important cleaning function by ... (Read 62 times)

JGIBBSON · **on:** Aug 22, 2018

Why are coral reefs important to ocean life?

a) corals provide an important cleaning function by filtering debris from the water
b) corals are an important link in the benthic food chain
c) coral reefs grow upward to near sea level, providing shallow zones for benthic organisms
d) coral reefs take carbon dioxide out of the water and secrete it into their skeletons
e) coral reefs provide food, shelter, and breeding grounds for thousands of marine organisms

Question 2

Why do tsunami waves always behave as shallow water waves?

a) The statement is incorrect; tsunami waves are never shallow water waves.
b) Because they are caused by the gravitational attraction of the Sun and Moon.
c) Because waves generated by tsunamis do not have the same behavior as normal wind-generated waves.
d) Their wavelengths are long enough that anywhere in the ocean the water depth is less than L/20.
e) Tsunami waves are extremely fast, which means they feel the ocean bottom no matter where they are.