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How would the introduction of a nonnative species most likely affect biodiversity in an ecosystem?

a. The nonnative species would decrease biodiversity.
b. The nonnative species would increase biodiversity.
c. The nonnative species would not affect biodiversity because it's unlikely the species would survive.
d.The nonnative species would not affect biodiversity because it would simply replace a native species.

Respuesta :

c.
The nonnative species would not affect biodiversity because it's unlikely the species would survive.

Answer:

a. The nonnative species would decrease biodiversity.

Explanation:

The non-native species are mostly invasive in nature and serve to reduce the biodiversity of the system by becoming a threat to the survival of the native species.

Non-native species do not have any predators or competitors in the new ecosystem and hence, are better able to exploit the available resources. The native species face scarcity of resources and their population size reduces.  

Example: Water hyacinth  

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