Symbiosis & Changing Ecosystems

Front

What does 'extinct' mean?

Back

A species that has died and is gone forever.

Front

What is an 'invasive species'?

Back

A species that grows out of control, is not native, and harms the environment.

Front

What is 'mutualism'?

Back

A relationship where both species benefit, like bees pollinating flowers and receiving nectar.

Front

What is 'parasitism'?

Back

A relationship where one species benefits at the expense of another, like a tick feeding on a host.

Front

In parasitism, what happens to the two species involved?

Back

One is helped, and one is hurt.

Front

What is 'commensalism'?

Back

A relationship where one species benefits and the other is neither helped nor harmed.

Front

Can you give an example of mutualism?

Back

Bees and flowering plants; bees get nectar, and plants get pollinated.

Front

What is the impact of invasive species on ecosystems?

Back

They can disrupt local ecosystems, outcompete native species, and cause harm.

Front

What does 'threatened' mean in terms of species?

Back

A species that is likely to become endangered in the near future.

Front

What is the difference between endangered and extinct?

Back

Endangered means a species is at risk of extinction, while extinct means it no longer exists.