Ecology

Question 1

Habitat

Answer 1

Place where an organism lives and is adapted to

Question 2

Population

Answer 2

Members of the same species living in an area

Question 3

Community

Answer 3

Populations of different species in an area

Question 4

Ecosystem

Answer 4

Relationships where organisms interact with their environment

Question 5

Biosphere

Answer 5

Part of earth that supports life

Question 6

Ecology

Answer 6

The study of the interaction of plants and animals with each other and their environment

Question 7

Biotic

Answer 7

Living factors that affect living organisms

Question 8

Abiotic

Answer 8

Non living factors that affect living organism

Question 9

Climate

Answer 9

Long term weather conditions

Question 10

Weather

Answer 10

Short term weather conditions

Question 11

Edaphic

Answer 11

Soil conditions that affect living organisms

Question 12

Aquatic

Answer 12

Water conditions that affect living organisms

Question 13

Food chain

Answer 13

A sequence of organisms where each one is eaten by the next in the chain

Question 14

Grazing food chain

Answer 14

A food chain that starts with a plant

Question 15

Detritus food chain

Answer 15

A food chain starting with dead organic matter

Question 16

Tropic level

Answer 16

Position of an organism in a food chain

Question 17

Food web

Answer 17

Set of interconnected food chains

Question 18

Nutrient recycling

Answer 18

Where elements/ minerals are exchanged between the living and non living parts of the eco system

Question 19

Eutrophication

Answer 19

When lakes become enriched with nutrients (fertilisers)

Question 20

Niche

Answer 20

The role of an organism in an ecosystem

Question 21

Competition

Answer 21

Struggle between organisms of the same or different species for a limited resource

Question 22

Intra- specific competition

Answer 22

Competition between members of the same species

Question 23

Inter-specific competition

Answer 23

Competition between members of different species

Question 24

Contest competition

Answer 24

Active struggle between 2 organisms where only one wins the resource
Example: competition for mates (dears)

Question 25

Scramble competition

Answer 25

Struggle between organisms for a resource where each organism gets some of the resource
Example: Young birds in nest

Question 26

Pollution

Answer 26

Addition of harmful substances to the environment

Question 27

Conservation

Answer 27

The careful management of out environment

Question 28

Waste management

Answer 28

Is reducing harmful effects of waste materials on the environment

Question 29

Pyramid of numbers

Answer 29

Modified bar chart showing number of organisms at each tropic level

Question 30

Predation

Answer 30

The catching, killing and eating of another organism

Question 31

Parasitism

Answer 31

Where one organism lives in/on a second organism feeding on it and causing it harm

Question 32

Symbiosis

Answer 32

Close relationship between 2 organisms of a different species in which at least one benefits

Question 33

Mutualism

Answer 33

2 different species living together and both benefit

Question 34

Commensalism

Answer 34

2 different species in which only one benefits but does not harm its host