Which statement about organisms in the fossil record is correct? A. Organisms show a decrease in diversity only right before an extinction event. B. Organisms show a steady increase in diversity, interrupted by extinction events. C. Organisms show a steady decrease in diversity, interrupted by extinction events. D. Organisms show an increase in diversity only right after an extinction event.

Organisms show a decrease in diversity only right before an extinction event.

Explanation:

Extinction is the termination of a kind of organism or of a group of kinds. This brings to an end the existence of a particular specie of organisms.

Extinctions occur only after there is a decrease in the diversity of a specie due to specific conditions such as predators, loss of habitat etc that makes the members of that specie to become endangered.