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Biology > Ecology > Flashcards

Flashcards in Ecology Deck (25)
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1
Q

Ecology

A

The study of the interactions between living things and their enviroments

2
Q

Biosphere

A

The part of the earth containing living organisms

3
Q

Ecosystem

A

A group of organisms that interacts with each other and with their environment

4
Q

Habitat

A

Place where an organism lives

5
Q

Abiotic Factors

A

Non-living features of the environment

6
Q

Biotic Factors

A

Living factors

7
Q

Climate

A

Weather over a long period of time

8
Q

Edaphic Factors

A

Relate to soil

9
Q

Aquatic Factors

A

Relate to organisms living in or near water-based environments

10
Q

Food Chain

A

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

11
Q

Producer

A

An organism that makes its own food

12
Q

Consumer

A

An organism that takes its food from another organism

13
Q

Herbivore

A

Organism that feeds on flora

14
Q

Carnivore

A

An organism that eats meat

15
Q

Trophic level

A

Feeding stage in the food chain

16
Q

Niche

A

Functional role of an organism in an ecosystem or habitat

17
Q

Population

A

All the members of a species in an area

18
Q

Competition

A

When two or more organisms struggle for a resource which is in short supply

19
Q

Contest competition

A

One organism gets all of a resource and the other organisms get none

20
Q

Scramble competition

A

All of the competing organisms get some of the resource

21
Q

Adaptation

A

Any alteration that improves an organism’s chances of survival

22
Q

Predation

A

The catching, killing and eating of another organism for food

23
Q

Parasite

A

A living thing that takes its food from another living thing

24
Q

Symbiosis

A

Two organisms from different species live in close association and at least one of them benefits

25
Q

Conservation

A

The wise management of our existing natural resources in order to maintain biodiversity