Ecology Vocab. Flashcards Preview

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Flashcards in Ecology Vocab. Deck (35):
1

non-living

Abiotic

2

genetic advantage that increases fitness for survival

Adaptation

3

organisms that produce organic molecules from light or inorganic molecules

Autotroph (producer)

4

total amount of living tissue within a given trophic level

Biomass

5

group of ecosystems that have the same climate and dominant communities; ex. desert

Biome

6

part of the Earth in which life exists including land, water and atmosphere

Biosphere

7

living

Biotic

8

symbiotic relationship in which one species benefits and the other is not harmed or helped

Commensalism

9

different populations that live together in a defined area

Community

10

organism that breaks down and obtains energy from decaying matter (bacteria and fungi)

Decomposers

11

organism that feeds on plant and animal remains (mites, earthworms, snails and crabs)

Detrivore

12

diagram that shows the relative amounts of energy or matter within each trophic level

Ecological Pyramids

13

gradual change in living communities that follows a disturbance

Ecological succession

14

scientific study of interactions amount organisms and their environment

Ecology

15

collection of all the organisms that live in a particular place, together with their nonliving environment

Ecosystem

16

movement of individuals out of an area

Emigration

17

growth pattern where populations increase slowly than quickly, usually because of prime conditions (J-curve path)

Exponential growth

18

diagram of feeding relationships among organisms in an ecosystem

Food web

19

the area where an organism lives

Habitat

20

an organism that obtains energy by only eating plants

Herbivore

21

an organism that consumes to obtain energy

Heterotroph (consumer)

22

movement of individuals into an area occupied by an existing population

Immigration

23

factor in the environment that limits population

Limiting factor

24

growth pattern where a population rate slows or stops (S-curve graph)

Logistical growth

25

a symbiotic relationship in which both species benefit

Mutualism

26

conditions in which an organism lives and the way the organism uses those conditions (where it fits into the ecosystem; tropic level, habitat, symbiosis etc)

Niche

27

an organism that obtains energy by eating plants and animals

Omnivore

28

symbiotic relationship in which one organism lives in or on another (the host) and harms it

Parasitism

29

first species to populated area during primary succession

Pioneer species

30

group of individuals of the same species that live in the same area

Population

31

interaction in which one organism captures and feeds on another organism

Predation

32

succession that occurs on surfaces were no soil exists

Primary succession

33

succession following a disturbance that destroys a community without destroying the soil

Secondary succession

34

group of similar organisms that can breed and produce fertile offspring

Species

35

relationship in which two species live closely together (3 types)

Symbiosis