Ecology

Question 1

The environment

Answer 1

Is everything that surrounds an animal or plant ( for example air, water, rocks, and soil

Question 2

The habitat

Answer 2

Is the place where a plant or animal lives

Question 3

Interdependence

Answer 3

What animals depend on example buttercups depend on bees, bees need buttercups!

Question 4

Ecosystem

Answer 4

All the plants and animals in a area interacting with each other and their environment E.G desert, tropical, rainforest, grassland and seashore.

Question 5

Producer

Answer 5

Plants that make their own food E.G grass, dandelion and nettles

Question 6

Consumer

Answer 6

Animals that get their food by eating plants or other animals

Question 7

Herbivore

Answer 7

An animal that eats plants only E.G rabbit, sheep, slug and snail

Question 8

Carnivore

Answer 8

An animal that eats other animals only E.G fox, hawk and ladybird

Question 9

Omnivore

Answer 9

An animal that eats both plants and animals E.G badger, thrush, blackbird and humans

Question 10

Decomposer

Answer 10

Organisms that feed on dead animals E.G earthworms, bacteria and fungi

Question 11

Ecology

Answer 11

Is the study of plants , animals and their environment, and the relationship between them

Question 12

Energy

Answer 12

The energy in any ood chain comes from the sun

Question 13

Amount of energy

Answer 13

The amount of energy gets less and leas as you go along food chain

Question 14

A food web

Answer 14

A food web is two or more interconnected food chains

P.124 fig 15.13

Question 15

Competition

Answer 15

Occurs when two or more organisms seek a resource that is limited

Question 16

Plants

Answer 16

Compete for light, water,minerals and space

Question 17

Animals

Answer 17

Compete for food, shelter, territory and mates

Question 18

Adaptation

Answer 18

Are features that give an organism a better chance of surviving in their habitat

Question 19

Dandelion adaptations

Answer 19

Are long roots to get water and they can compete for space because they are able to spread their seeds in the wind

Question 20

Hedgehogs adaptations

Answer 20

Excellent sense of smell to make them good at finding food
Spikes to fight off predators
Colour which makes them camouflaged so predators cant find them easily

Question 21

Conservation

Answer 21

Is the protection preservation and careful use of our natural resources

Question 22

Pollution

Answer 22

Is adding unwanted wastes to the environment causing damage to it.if one organism is damaged it can be harmful to many other plants and animals

Question 23

Air pollution

Answer 23

Caused by smoke, dust and harmful gases - most of these come from cars, buses, factories and power stations

Question 24

Acid rain

Answer 24

When fossil foils are burned they are produce gases called co2 and sulfur dioxide. These are dissolved in rainwater to form carbonic acid and culfuric acid

Question 25

Soil pollution

Answer 25

Caused by pesticides artificial fertilisers and acid rain, chemical sink into the aoil and can be absorbed by plants

Question 26

Water pollution

Answer 26

Rivers lakes and seas are polluted by fertilisers sewage oil and detergents they are cause too much plant growth bacteria populations boom as they feed on dead plants and no oxygen is left for fish

Question 27

Incineration

Answer 27

Burning the waste this can release dangerous gases into the atmosphere difficulties with location nobody wants to live near an incinerator

Question 28

Landfill

Answer 28

Burying the waste in ground damages soil rivers and ground water attracts rodents disease causing bad smell difficulties as nobody wants to live near a landfill sites

Question 29

3 Rs

Answer 29

Reduce, reuse and recycle