B6.1.4 - Increasing biodiversity

Question 1

What is conservation?

Answer 1

Protecting a natural environment to ensure that habitats are not lost. It increases that organism’s chance of surviving

Question 2

How does controlled grazing help conserve habitats?

Answer 2

It only allows animal to graze land for a certain period of time, giving plant species time to recover

Question 3

How does restricting human access help conserve habitats?

Answer 3

It provides paths to prevent plants being trampled

Question 4

How does feeding animals help conserve them?

Answer 4

It ensures that they survive to reproductive age

Question 5

What is captive breeding?

Answer 5

It means breeding animals in human-controlled environments such as zoos or aquariums.

Question 6

What does captive breeding aim to do?

Answer 6

• create a stable, healthy population of a species

- gradually reintroduce the species back into its natural habitat

Question 7

What are problems associated with captive breeding?

Answer 7

• Maintaining genetic diversity can be hard since few breeding partners are available
• Organism born in captivity may not be suited to be released into the wild. E.g. predators might not know how to hunt for food

Question 8

What is a seed bank?

Answer 8

A store of seeds, conserved for possible future use