EcoSystems 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
Ecosystem
A community of living things that interact with one another
26
Food chains
Diagram beginning with producers that shows what organisms eat
27
Food web
A number of food chains joined together
28
Photosynthesis
The food making process. When a plant takes in the sunlight and turns it into food for it to eat.
29
Autotrophs
A organisms that can produce it's own nutrients
30
Chlorophyll
A green coloured chemical in plants that absorbs the light
31
Cellular Respiration
The chemical reaction involving oxygen that moves the energy
32
Ecological niche
Specific conditions to which a organism is able to live within
33
Nutrition
The process of providing the food necessary to health
34
Infraspecific competition
Members of 1 species compete for the same resources
35
Infraspecific
Members of 1 species compete for the same resources
36
Food chains
A diagram, beginning with a producer that shows what organisms eat
37
Food Web
A number of food chains joined together
38
Trophic Level
Each of several hierarchical levels in an ecosystem
39
Second Trophic level
The second level of a food web
40
Third Trophic level
The 3rd level of a food web
41
Fourth Trophic level
4th level of a food web
42
Metabolism
The chemical reactions occurring with an organism that enable the organism to use energy
43
Saprophytes
Organisms such as fungi that obtain nutrients from dead organic matter
44
Detritus
Decomposing plant
45
Fossil Fuels
Substance such as cole oil and natural gas that has formed from the remains from ancient organisms
46
Nitrogen fixing bacteria
Bacteria which take nitrogen containing compounds from the atmosphere
47
Nitrifying bacteria
Bacteria that changed dissolved ammonia into nitrate compounds
48
Decomposer bacteria
A organism that can break down dead and decaying organisms
49
Denitrifying Bacteria
Bacteria in the soil that chemically change useful nitrate compounds into poisonous nitrates
50
Metabolism
The chemical reactions occurring with an organism that enable the organism to use energy
51
Saprophytes
Organisms such as fungi that obtain nutrients from dead organic matter
52
Detritus
Decomposing plant
53
Fossil Fuels
Substance such as cole oil and natural gas that has formed from the remains from ancient organisms
54
Nitrogen fixing bacteria
Bacteria which take nitrogen containing compounds from the atmosphere
55
Agriculture
The use of land to grow crops
56
Monocultures
Crops grown on land used for 1 kind of crop only
57
Fertilisers
Chemicals added to soil to provide the nutrients needed for a plant to grow
58
Eutrophication
A form of water pollution involving an excess of nutrients
59
Chemical control
The control of plant or animal pests
60
Biological Control
A method of controlling pests by introducing one of there natural enemies
61
Pesticides
A substance or preparation for destroying pests
62
Bioaccumulation
The build up of a chemical with an organism as a result of it's process along a food chain
63
Introduced species
Species that is not native to a ecosystem
64
Ecological footprints
Estimate of the amount of the earths productive land and water required to supply the resources