B6.1.4 Increasing Biodiversity

Question 1

Conservation

Answer 1

Protecting a natural environment to ensure habitats are not lost
Increases chance of survival, reproduction, preserves relationship in habitat

Question 2

Controlled grazing

Answer 2

Only allowing animals to graze for a certain period of time so plant species have time to recover

Question 3

Restricting human access

Answer 3

Providing paths to prevent plants being trampled

Question 4

Feeding animals

Answer 4

Ensures more organisms survive to reproductive age

Question 5

Reintroduction of species

Answer 5

Adding new individuals of a species to an area where that species has significantly decreased or not survived

Question 6

Captive breeding

Answer 6

Feeding animals in a human controlled environment (zoos, aquariums); shelter, no predators,nutritious food, veterinary treatment

Question 7

Aims of captive breeding

Answer 7

• create stable, healthy population of species

- gradually reintroduce species into natural habitat

Question 8

Problems with captive breeding

Answer 8

• maintaining genetic diversity difficult (few breeding partners available)
• organisms born in captivity may not be suitable for release into wild (not know how to hunt for food etc.)

Question 9

How do we prevent extinction of plant species?

Answer 9

Seed banks , store of genetic material