Question

Which of the following statements is true?

Population density is number of individual organisms of a species living in a unit of area.
Water is not a limiting factor in an aquatic ecosystem.
An ecosystem can carry an unlimited number of organisms.
In a balanced ecosystem, there is no competition for resources.

Answer 1

A is the correct answer because

Step-by-step explanation:

Population density is number of individual organisms of a species living in a unit of area.

Answer 2

Population density is number of individual organisms of a species living in a unit of area.