Increased human populations near coral reefs increases the nutrient levels of the reef waters from ________ and farm fertilizers.
A) bioerosion
B) fishing
C) mining
D) sediment
E) sewage
Question 2
Ninety eight percent of marine species belong to which of the following?
A) Benthos
B) Fungi
C) Nekton
D) Plankton
E) Plantae