Microsoft Rewards Bing Homepage Quiz: What term is used to describe the rhino’s importance to its ecosystem?
A Mutualist
B Ecological engineer
C Keystone species
A keystone species, like the rhino, is integral to the health of the ecosystem in which it lives. Keystone species range from apex predators like bears and lions, to plant species like mangroves. However, all have one thing in common—if they are removed, the ecosystem would change dramatically, and in many cases, would not survive.
The correct answer is Keystone species.