The whale shark is the largest species of shark and eats ____.
A) seals and other smaller marine mammals
B) fish, especially tuna
C) plankton near the surface of the water
D) benthic crabs
Question 2
What is eutrophication?
A) A set of physical, chemical, and biological changes in an environment when there is an excessive release of nutrients in the water
B) A large plankton bloom dominated by one species
C) The removal of oxygen from the water of an area
D) The manmade changes to the environment