Biology Test Conservation Biology 1

Question 1

What is biodiversity?

Accepted Answer

The variety of life forms in an ecosystem at genetic, species, and ecosystem levels

Answer

The total number of animals in an area

Answer

The number of plant species only

Answer

The size of a habitat

Question 2

What is the primary cause of species extinction today?

Accepted Answer

Habitat loss and degradation

Answer

Natural disasters

Answer

Disease

Answer

Climate change alone

Question 3

What is a keystone species?

Accepted Answer

A species whose impact on the ecosystem is disproportionately large relative to its abundance

Answer

The most abundant species in an ecosystem

Answer

The largest predator

Answer

An endangered species

Question 4

What is an invasive species?

Accepted Answer

A non-native organism that causes ecological or economic harm in its new environment

Answer

Any species that moves to a new area

Answer

A species that is naturally aggressive

Answer

An endangered species from another country

Question 5

What is the purpose of a wildlife corridor?

Accepted Answer

To connect fragmented habitats allowing animals to move between them

Answer

To keep animals contained in one area

Answer

To provide tourist viewing areas

Answer

To separate different species

Question 6

What does the term 'endangered species' mean?

Accepted Answer

A species at serious risk of extinction

Answer

A species that is dangerous to humans

Answer

A species that has already gone extinct

Answer

A species with a large population