The sudden loss of a keystone species would necessarily cause the loss of most or all of a food web.
What is keystone species?
- The naturalist Robert T. Paine first proposed the idea of a "keystone species" in 1969.
- A keystone species is a species that, in relation to its abundance, has an outsized impact on its natural habitat.
- The intricate web of connections that makes up an ecosystem is held together by keystone species.
- Sea otters, wolves, elephants, and starfish are a few examples of keystone species.
- Many scientists mention three categories of keystone species: predators, ecosystem designers, and mutualists.
- A keystone species is frequently a dominating predator whose extinction often results in a decline in overall diversity as well as the explosion of a prey population.
- Other types of keystone species are coral or beavers, which profoundly alter the habitat around them and consequently have an impact on a vast number of other organisms.
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