Which statement below best describes how biodiversity contributes to the sustainability of an ecosystem?



-A variety of plant and animal species allows for more survivors of a natural disaster.

-Having more species in an ecosystem allows the human population to increase in size.

-Fewer species in the ecosystem reduces the likelihood that disease spreads through the ecosystem.

-Low biodiversity reduces the competition for resources, which helps native species survive.



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Respuesta :

It’s the first one. Sustainability is the ability to keep the ecosystem going. The ability of an ecosystem to survive a natural disaster is dependent upon biodiversity, because some species will inevitably be decimated. Humans are almost always a threat to ecosystems.

A variety of plant and animal species allows for more survivors of a natural disaster because of more biodiversity of that ecosystem.

How biodiversity contributes to the sustainability of an ecosystem?

The higher biodiversity in an ecosystem refers  to greater variety of  species in that ecosystem. A great variety of species means that the ecosystem is better able to carry out natural processes in the presence of external stress. Thus, the ecosystem is more sustainable.

So we can conclude that a variety of plant and animal species allows for more survivors of a natural disaster because of more biodiversity of that ecosystem.

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