Question

which of the following describes a population?
a a single fish near a reef
b a school of fish near a reef
c a school of fish, a bloom of jellyfish, and tiger sharks near a reef
d all the fish, jellyfish, and sharks near a reef including the salinity and temperature of the water that surrounds it

Explanation:

A population refers to a group of individuals of the same species in a particular area. A single fish is an individual, option C and D include multiple species and other non - living factors. A school of fish is a group of the same species of fish near a reef.

Answer:

B. a school of fish near a reef