Preserving biodiversity

Question 1

Endangered species definition

Answer 1

A species with only small number of organisms left in the world

Question 2

Three ways scientists are trying to prevent extinction

Answer 2

Conservation, captive breeding and gene banks

Question 3

Conservation definition

Answer 3

Protecting a natural environment to ensure habitats are not lost

Question 4

As well as reducing extinction conservation also: (2 points)

Answer 4

Reduces disruption to food chains and food webs
Makes it possible to for medicinal plant species to be discovered

Question 5

Captive breeding definition

Answer 5

Breeding animals in humancontrolled environments

Question 6

Captive breeding is aimed: (2 points)

Answer 6

Create a stable, healthy population of species
gradually re-introduce species back into it’s habitat

Question 7

Captive breeding problems:

Answer 7

Maintaining genetic diversity can be difficult
Captive breeding may not be used to the wild when they are released.

Question 8

Gene banks definition

Answer 8

A store of genetic samples, used for research and try to prevent extinction

Question 9

List 4 types of gene banks

Answer 9

Seed banks, Tissue banks, cryobanks, pollen banks

Question 10

How does biodiversity benefit humans

Answer 10

Useful products and services
Cures for diseases
Rich and varied food supplies
Ensure populations remain at a level