Both dominant and keystone species exert strong effects on the character of a community, but in different ways. How do dominant species and keystone species differ?

Dominant species influence the ecosystem through their large population and biomass, affecting resource availability. Keystone species, despite not being necessarily abundant, have a large effect on their environment and manipulates ecological community structure and biodiversity through their crucial roles

Explanation:

Dominant species are those that have large population in a community, therefore having a strong influence on the ecological structure. They have high biomass and directly affect the availability of resources for other species in the ecosystem. On the other hand, keystone species may not necessarily be abundant, but they have a large effect on their environment and influence both the ecological community structure and biodiversity. They play a crucial role in the way an ecosystem functions. For example, predator species that control the population of a particular prey, thus influencing the balance of the ecosystem, can be a keystone species. The differences lie in the type of influence each has on the ecosystem: dominant species through their prevalent population, and keystone species through their ecological roles.

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