B2.4 Interdependence

Question 1

skin cancer

Answer 1

A tumour of the skin, usually caused by too much UV-B radiation.

Question 2

nitrate

Answer 2

Chemicals used as fertilisers to make crops grow better.

Question 3

phosphates

Answer 3

Chemicals that act as fertilisers which are also found in sewage.

Question 4

pollution

Answer 4

Contamination of the environment.

Question 5

adaptation

Answer 5

Changing to suit the environmental conditions.

Question 6

resource

Answer 6

Material or energy used by living things.

Question 7

environment

Answer 7

A particular set of conditions, including water, temperature, light and air.

Question 8

biodiversity

Answer 8

A variety of species of plants and animals.

Question 9

population

Answer 9

A group of individuals of the same species living in the same habitat.

Question 10

conservation

Answer 10

Keeping a habitat the same as environmental conditions change.

Question 11

environmental factors

Answer 11

The living and non-living factors which affect organisms.

Question 12

aquatic

Answer 12

Living in water.

Question 13

competition

Answer 13

The battle between different types of organism over the same resource.

Question 14

global temperature

Answer 14

Average temperatures measured across the whole surface of the planet.

Question 15

living indicator

Answer 15

Evidence of the effects of human activity on the environment shown on a live organism.

Question 16

interdependence

Answer 16

The mutual dependence of one organism with another.

Question 17

terrestrial

Answer 17

Living on land.

Question 18

replacement planting

Answer 18

Replacing a tree or shrub by planting another of the same species.

Question 19

ozone

Answer 19

A gas found in the upper atmosphere.

Question 20

sewage

Answer 20

Solid waste from humans and other animals.

Question 21

succession

Answer 21

The gradual change of a habitat to become woodland.

Question 22

organism

Answer 22

Living creatures such as animals, plants or insects.

Question 23

predation

Answer 23

Killing and eating other animals for food.

Question 24

reforestation

Answer 24

Replanting trees to increase the number of trees.

Question 25

coppicing

Answer 25

Cutting trees and shrubs to ground level to encourage rapid new growth.

Question 26

recycling

Answer 26

Reusing materials instead of the original resource.

Question 27

extreme environment

Answer 27

Conditions that are far outside the boundaries where humans can live comfortably.

Question 28

eutrophication

Answer 28

The process where fertilisers and sewage build up in water, over-encouraging algal growth which leads to light and oxygen supplies being depleted. This in turn leads to other organisms in the water dying off.