Essay 5: On the Importance of Keystone Species

There are certain animals whose presence or absence has a substantial effect on their surrounding environment. These animal species are called keystone species. Keystone¬† species are crucial to the balance of an ecosystem. Keystone species usually take the form of predators which keep potentially harmful herbivores from decimating the population of crucial plant species. A … Continue reading Essay 5: On the Importance of Keystone Species