A cohort is a ____.

A) group of individuals of the same species born during the same time interval
B) group of individuals of the same sex within a population
C) group of organisms of different species that interact with one another
D) sexually reproducing pair
E) litter mate or sibling within a large population

A cohort is a group of individuals of the same species born during the same time interval, usually within a specific year or breeding season. These individuals often experience similar environmental conditions and may compete for resources during their lifespan. Cohort analysis is a common method in ecology and population biology to study the dynamics and demographics of animal or plant populations.