Question

Which of the following factors would have the smallest impact on a population’s size?
a.
the total number of organisms
b.
the available water supply
c.
the variety of organisms
d.
adequate shelter


Please select the best answer from the choices provided

A
B
C
D

Answer 1

A

Reason: "Total number of organisms" is just the population size itself (not an environmental factor that changes it). Available water and adequate shelter are limiting resources that strongly affect population size; variety of organisms can also influence population dynamics.