Ecology defs.

Question 1

Ecology

Answer 1

Study of interactions between living things and their environment

Question 2

Biosphere

Answer 2

Part of the planet containing living organisms

Question 3

Ecosystem

Answer 3

Group of organisms that interact with their environment

grasslands

Question 4

Habitat

Answer 4

place where a plant or animal lives

Question 5

Population

Answer 5

All members of the same species living in an area

Question 6

Community

Answer 6

All the different populations living in an area

Question 7

Abiotic factor

Answer 7

Relate to non living factors

Question 8

Biotic factors

Answer 8

Living factors

Question 9

Climatic factors

Answer 9

Refer to weather over a long period of time (rainfall, temp)

Question 10

Edaphic factors

Answer 10

Relate to soil

Question 11

Examples of edaphic factors

Answer 11

Soil pH
Soil type
Soil temperature

Question 12

Competition

Answer 12

When organisms struggle and fight for a resource in short supply

Question 13

Predation

Answer 13

Catching, killing and eating of another organism

Question 14

Producers

Answer 14

Organisms that carry out photosynthesis to make their own food

Question 15

Consumers

Answer 15

Organisms that take in food from other organisms

Question 16

Primary consumer

Answer 16

Feed on producers

Question 17

Decomposers

Answer 17

Feed on dead matter

Question 18

Secondary consumer

Answer 18

Animals that feed on primary consumers

Question 19

Example of secondary consumer

Answer 19

Carnivores

Question 20

Tertiary consumers

Answer 20

Feed on secondary consumers

Question 21

Omnivores

Answer 21

Organisms that feed on both plants and animals

Question 22

Food chain

Answer 22

Sequence of organisms in which one is eaten by the next organism in the food chain

Question 23

Trophic level

Answer 23

Feeding stage

Question 24

Food web

Answer 24

Consists of 2 or more food chains

Question 25

Pyramid of numbers

Answer 25

Represents the organism number at each trophic level in a food chain

Question 26

Niche

Answer 26

Role an organism plays in its community

Question 27

Pollution

Answer 27

Harmful addition to the environment

Question 28

Pollutants

Answer 28

Substances that cause pollution

Question 29

Eutrophication

Answer 29

Addition of nutrients to fresh water

Question 30

Conservation

Answer 30

Management of our environments which will prevent the death and extinction of organisms

Question 31

Intra-specific competition

Answer 31

Takes place between the same species

Question 32

Inter-specific competition

Answer 32

Takes place between different species

Question 33

Contest competition

Answer 33

Physical contest between 2 individual organisms

Only one benefits / gets the resource

Question 34

Scramble competition

Answer 34

All competing individuals get some of the resource, none get enough

Question 35

Adaption

Answer 35

Feature helps an organism to survive

Question 36

Parasitism

Answer 36

When an organism obtains it’s good from a living host, causing it harm

Question 37

Endoparasites

Answer 37

Live inside hosts body causing harm

Question 38

Exoparasites

Answer 38

Live outside the hosts body

Question 39

Symbiosis

Answer 39

When 2 different organisms live in close association with each other, at least one benefits

Question 40

Mutualism

Answer 40

Form of symbiosis where both benefit

Question 41

Quantitative survey

Answer 41

Number of organisms present

Question 42

Qualitative survey

Answer 42

If organism is absent or present