Ch. 18 Flashcards Preview

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Flashcards in Ch. 18 Deck (21):
1

Biotic

Describes living factors in the environment

2

Abiotic

Describes the non living part of the environment, including water, rocks, light, and temperature

3

Population

A group of organisms of the same species that live in a specific geographical area

4

Community

All the population of species that live in the same habitat and interact with each other

5

Ecosystem

A community of organisms and their abiotic environment

6

Biosphere

The part of earth where life exist

7

Herbivore

An animal that eats only plants

8

Carnivore

An animal that eats animals

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Omnivore

An animal that eats both plants and animals

10

Food chain

The pathway of energy transfer though various stages as a result of feeding patterns of a series of animals

11

Food web

A diagram that show the feeding relationships between animals in an ecosystem

12

Energy pyramid

A triangular diagram that shows an ecosystems loss of energy

13

Carrying capacity

The largest population that an environment can support at any given time

14

Prey

An organism that is killed and eaten by another organism

15

Predator

An organism that eats all or part of another organism

16

Symbiosis

A relationship in which two different organisms live in close association with each other

17

Mutualism

A relationship between two species in which both species benefit

18

Commensalism

A relationship between two organisms in which one organism benefits and the other is unaffected

19

Parasitism

A relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed

20

Coevolution

The evolution of two species that is due to mutual influence, often in a way that makes the relationship more beneficial to both species

21

Ecology

The study of the interactions of living organisms with one another and with their environment