Question

The graph below shows the populations of two species from January 2010 to June 2011. One species is native to the ecosystem, while the other is a new species that was recently introduced to the ecosystem.

What is the most likely explanation for the changes to the populations of species A and species B?


Species A is a native species that preys on species B.


Species B is an invasive species that altered the balance of the ecosystem shown.


Species A is an invasive species that cannot compete with the native species in the habitat.


Species B is a native species that is able to adapt to a sudden climate change while species A cannot.

Answer 1

Species B is an invasive species that altered the balance of the ecosystem shown.

Step-by-step explanation

An invasive species is an introduced organism that negatively alters its new environment