Environmental Science Credit Recovery

Several years ago, fish from Asia were introduced into ponds in the United States. They have rapidly grown in numbers and use up a lot of the food and habitats of other fish that are native to the United States.

This is an example of which factor that affects biodiversity?

A. pollution
B. nonnative species
C. habitat destruction
D. poaching

Habitat destruction is the factor that affects biodiversity seen in the example given. When habitats are destroyed, it can lead to a decrease in the diversity of species in an ecosystem as it disrupts the balance and availability of resources. For instance, the introduction of non-native species like the Asian carp into U.S. ponds is causing a decline in the populations of native fish due to competition for food and space.

This disruption can have a cascading effect on various species in the ecosystem, impacting the biotic integrity of the habitat and leading to declines in native populations, as evidenced by cases like the impact of invasive species on native fish populations in California streams.

Learn more about biodiversity and habitat destruction here:

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