As temperatures increase during seasonal fluctuations in marine environments,
A)both species richness and species dominance increase.
B)species richness increases and species dominance decreases.
C)species richness decreases and species dominance increases.
D)both species richness and species dominance decrease.

Question

Quizplus · Accepted Answer

Species richness tends to decrease because fewer species can tolerate the higher temperatures, leading to a decrease in the diversity of species. Species dominance increases as fewer species, often those more adapted to the higher temperatures, come to dominate the ecosystem.

As Temperatures Increase During Seasonal Fluctuations in Marine Environments