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Science > EcoSystems > Flashcards

EcoSystems Flashcards

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Biology 101 flashcards
1
Q

Carnivore

A

A animal that eats meat

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2
Q

Consumers

A

A person or animal that eats or consumes something

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3
Q

Producer

A

Animals that take in sunlight for energy

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4
Q

Omnivore

A

Animal or person that eats meat and plants

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5
Q

Abiotic

A

A non living thing in an ecosystem

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6
Q

Biotic

A

A living thing in a ecosystem

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7
Q

Detritivores

A

An animal that feeds on dead organic material

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8
Q

Decomposers

A

An organism that decomposes organic material

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9
Q

Heterotroph

A

An organism that depends on another organism to supply its complex molecules and energy

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10
Q

Habitat

A

The natural home of an animal

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11
Q

Niche

A

The conditions on which an organism lives

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12
Q

Relationship

A

When two organisms are connected and create other organisms

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13
Q

Predator

A

An animal that naturally prays on another animal

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14
Q

Prey

A

An animal that is hunted by other animals

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15
Q

Symbiosis

A

Interaction between 2 different organisms

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16
Q

Parasites

A

An organism that lives inside another organism

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17
Q

Commensalism

A

An association between 2 organisms which one benefits another

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18
Q

Symbiotic

A

Interaction between 2 different organisms

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19
Q

Mutualism

A

A relationship between 2 organisms in which one benefit

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20
Q

Herbivore

A

A animal that eats plants

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21
Q

Organism

A

A living thing

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22
Q

Species

A

A group of animals that have features in common

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23
Q

Populations

A

All the individual organisms in one species

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24
Q

Community

A

All the populations of various organisms

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25
Q

Ecosystem

A

A community of living things that interact with one another

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26
Q

Food chains

A

Diagram beginning with producers that shows what organisms eat

27
Q

Food web

A

A number of food chains joined together

28
Q

Photosynthesis

A

The food making process. When a plant takes in the sunlight and turns it into food for it to eat.

29
Q

Autotrophs

A

A organisms that can produce it’s own nutrients

30
Q

Chlorophyll

A

A green coloured chemical in plants that absorbs the light

31
Q

Cellular Respiration

A

The chemical reaction involving oxygen that moves the energy

32
Q

Ecological niche

A

Specific conditions to which a organism is able to live within

33
Q

Nutrition

A

The process of providing the food necessary to health

34
Q

Infraspecific competition

A

Members of 1 species compete for the same resources

35
Q

Infraspecific

A

Members of 1 species compete for the same resources

36
Q

Food chains

A

A diagram, beginning with a producer that shows what organisms eat

37
Q

Food Web

A

A number of food chains joined together

38
Q

Trophic Level

A

Each of several hierarchical levels in an ecosystem

39
Q

Second Trophic level

A

The second level of a food web

40
Q

Third Trophic level

A

The 3rd level of a food web

41
Q

Fourth Trophic level

A

4th level of a food web

42
Q

Metabolism

A

The chemical reactions occurring with an organism that enable the organism to use energy

43
Q

Saprophytes

A

Organisms such as fungi that obtain nutrients from dead organic matter

44
Q

Detritus

A

Decomposing plant

45
Q

Fossil Fuels

A

Substance such as cole oil and natural gas that has formed from the remains from ancient organisms

46
Q

Nitrogen fixing bacteria

A

Bacteria which take nitrogen containing compounds from the atmosphere

47
Q

Nitrifying bacteria

A

Bacteria that changed dissolved ammonia into nitrate compounds

48
Q

Decomposer bacteria

A

A organism that can break down dead and decaying organisms

49
Q

Denitrifying Bacteria

A

Bacteria in the soil that chemically change useful nitrate compounds into poisonous nitrates

50
Q

Metabolism

A

The chemical reactions occurring with an organism that enable the organism to use energy

51
Q

Saprophytes

A

Organisms such as fungi that obtain nutrients from dead organic matter

52
Q

Detritus

A

Decomposing plant

53
Q

Fossil Fuels

A

Substance such as cole oil and natural gas that has formed from the remains from ancient organisms

54
Q

Nitrogen fixing bacteria

A

Bacteria which take nitrogen containing compounds from the atmosphere

55
Q

Agriculture

A

The use of land to grow crops

56
Q

Monocultures

A

Crops grown on land used for 1 kind of crop only

57
Q

Fertilisers

A

Chemicals added to soil to provide the nutrients needed for a plant to grow

58
Q

Eutrophication

A

A form of water pollution involving an excess of nutrients

59
Q

Chemical control

A

The control of plant or animal pests

60
Q

Biological Control

A

A method of controlling pests by introducing one of there natural enemies

61
Q

Pesticides

A

A substance or preparation for destroying pests

62
Q

Bioaccumulation

A

The build up of a chemical with an organism as a result of it’s process along a food chain

63
Q

Introduced species

A

Species that is not native to a ecosystem

64
Q

Ecological footprints

A

Estimate of the amount of the earths productive land and water required to supply the resources

Science (7 decks)

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