A)Genetic diversity is the most important part of ecosystem stability.
B)A loss of any species from an ecosystem leads to an approximately equal decline in stability.
C)The loss of a few species from an ecosystem does significantly affect ecosystem functioning.
D)Losing even a few species from an ecosystem causes a drastic decline in ecosystem stability.
E)Every species has an important role in ecosystem function,but we cannot predict the effect of species loss.

A)compete with native species without expanding their range.
B)move from temperate to tropical settings.
C)expand their range and outcompete native species.
D)lead to a cost for humans.
E)fill an empty ecological nichE.

A)is the diversity of animal species within a defined geographical areA.
B)is primarily associated with aquatic habitats.
C)refers to the structure and function within an ecosystem.
D)includes only species-rich ecosystems.