Old ecological niches were destroyed in the process and new ones opened up.

Their ecological niche appears to be that of an insect.

It is often the largest predator in its ecological niche.

The majority of species exist in a standard ecological niche.

This type of competition is only found when two different species share an ecological niche that they must compete over.

Why is it so difficult for species to leave their ecological niche?

It is perfectly capable of living in its ecological niche.

The interactions between the person and environment result in the construction of the individual ecological niches.

Despite this, it has a similar size and ecological niche.

They have their ecological niche there and make out fine until summer returns.