Q.
Population density of terrestrial organisms is measured in terms of individuals per
A) $m^{3}$
B) $m^{4}$
C) m
D) $m^{2}$
Explanation
Population density means the number of individuals of a species per unit area or volume. Space or area for terrestrial habitat is measured in two dimensions ($m^{2}$) while for aquatic habitats, it is measured in three dimensions ($m^{3}$).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.