Ecology

Question 1

Environment

Answer 1

The environment is everything that surrounds and animal or plant (for example air, water, rocks and soil.

Question 2

Habitat

Answer 2

The habitat is the place where a plant or animal lives.

Question 3

Interdependence

Answer 3

Interdependence is how organisms depend on each other for their survival. Eg buttercups depend on bees, bees need buttercups.

Question 4

Ecosystem

Answer 4

All the plants and animals in an area interacting with each other and their environment.

Question 5

Producer

Answer 5

Plants that make their own food e.g. Grass dandelion

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

Question 8

Carnivore

Answer 8

An animal that eats other animals only e.g. Fox, hawk, ladybird

Question 9

Omnivore

Answer 9

An animal that eats both plants and animals e.g. Badger, thrush blackbird, humans.

Question 10

Decomposer

Answer 10

Organisms that feed on dead on plants and animals e.g. Earthworms

Question 11

Energy

Answer 11

The energy in any food chain comes from the sun. The amount of energy gets less and less as you go along the food chain.

Question 12

Food web

Answer 12

A food web is 2 or more interconnected food chains.

Question 13

Competition

Answer 13

Competition occurs when two or more organisms seek a resource that is limited.

Question 14

Plants

Answer 14

Plants compete for light, water, minerals and space.

Question 15

Animals

Answer 15

Animals compete for food, shelter, territory and mates.

Question 16

Adaptation

Answer 16

Adaptations are features that give an organism a better chance of surviving in their habitat.

Question 17

Dandelion adaptations

Answer 17

Longs roots to get water.

Compete for space because they are able to spread their seeds in the wind.

Question 18

Hedgehogs Adaptations

Answer 18

Excellent sense of smell to make them good at finding food.
Spikes to fight off predators.
Colour

Question 19

Ecology

Answer 19

It is the study of plants, animals, and their environment, and the relationship between them.

Question 20

Conservation

Answer 20

The protection, preservation and careful use of our nature resources

Question 21

Pollution

Answer 21

Pollution is adding unwanted wastes to the environment causing change to it.
If one organism I’d damaged it can be harmful to many other plants and animals: the balance of nature can be damaged.

Question 22

Types of pollution

Answer 22

Air pollution: caused by smoke, dust and harmful gases- most of these come from cars, buses, factories and power stations

Question 23

Acid rain

Answer 23

When fossil fuels are burned they produce gases called carbon dioxide and sulfur dioxide.
These dissolve in rain water to form carbonic acid and sulfuric acid
Damages plants and buildings

Question 24

Soil pollution

Answer 24

Caused by pesticides, artificial fertilisers and acid rain. Chemicals sink into the soil and can be absorbed by plants, get passed up the food chain and can cause illness

Question 25

Water pollution

Answer 25

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

Question 26

Incineration

Answer 26

— burning the waste, this can release dangerous gases into the atmosphere, difficulties with location nobody wants to live near a incinerator.

Question 27

Landfill

Answer 27

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

Question 28

3 R’s

Answer 28

Reduce, reuse, recycle