Biodiversity

The number of different species in an ecosystem is __

• hotspot

• biodiversity

• poaching

• extinction

Which of the following ecosystems has the highest biodiversity?

• desert

• grassland

• tropical rainforest

• lake

A species that other species in an ecosystem depends on is called _____.

• endemic species

• exotic species

• endangered species

• keystone species

• extinct species

A species whose population is declining is called a/an ___

• endemic species

• exotic species

• endangered species

• keystone species

• extinct species

A species that has died out completely - mainly due to human activity

• endemic species

• exotic species

• endangered species

• keystone species

• extinct species

Species that is found only in a specific geographic region

• endemic species

• exotic species

• endangered species

• keystone species

• extinct species

Also called invasive or non-native species.

• endemic species

• exotic species

• endangered species

• keystone species

• extinct species

The koala bear is found only in a specific region of Australia. The population is also declining. The means the Koala is ____ and _____

• endemic and extinct

• keystone and endangered

• endemic and endangered

• exotic and keystone

Otters control the population of kelp and mussels. The otter is a ______

• endemic species

• exotic species

• endangered species

• keystone species

• extinct species

Kudzu is a plant brought to the US from Japan, however, it took over and destroyed plants in the southern US. Kudzu is a/an _____

• endemic species

• exotic species

• endangered species

• keystone species

• extinct species