First deck Flashcards

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1
Q

Ecosystem

A

Biological community of interacting organisms and their physical environment

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2
Q

Biotic Factor

A

Are of all living organisms within an ecosystem

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3
Q

Abiotic Factor

A

All non living things in an ecosystem

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4
Q

Organism

A

An indivisual animal, plant, or single-celled life form

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5
Q

Species

A

Group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding

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6
Q

Population

A

All inhabitants of an area

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7
Q

Community

A

Group of interdependent organisms of different species growing or living together in specified place

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8
Q

Habitat

A

A natural home for a animal, plant, or organism

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9
Q

Natural Selection

A

Organisms better adapted to their environment tend to survive and produce more offspring

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10
Q

Evolution

A

process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of earth

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11
Q

Producers/Autotrophs

A

organism capable of synthesizing its own food from inorganic substances using light or chemical energy

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12
Q

Consumers/Heterotrophs

A

Organism that cannot manufacture its own food and instead obtains its food and energy by taking in organic substances usually plant or animal matter

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13
Q

Primary Consumer

A

Living organism that eats the producers. Plant eaters.

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14
Q

Secondary Consumer

A

Eat primary consumers. They are carnivores, and omnivores, Eats plants and animals

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15
Q

Tertiary Consumer

A

At the top of the food chain carnivore that eats other carnivores

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16
Q

Herbivores

A

Animal that eats plants

17
Q

Carnivores

A

Animal that feeds on flesh

18
Q

Omnivores

A

Eats food of both plant and animal origin

19
Q

Decomposers

A

an organism especially a soil bacterium, fungus, or invertebrate that decomposes organic material

20
Q

Food Chain

A

a hierarchical series of organisms each dependent on the next as a source of food

21
Q

Food Web

A

a series of interlocking and interdependent food chains

22
Q

Energy Pyramid

A

graphical model of energy flow in a community

23
Q

Carbon Cycle

A

the series of processes by which carbon compounds are interconverted in the environment, chiefly involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels.

24
Q

Nitrogen Cycle

A

the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.

25
Q

Phosphorus Cycle

A

the phosphorus cycle is the biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere.

26
Q

Ecological Succession

A

is the observed process of change in the species structure of an ecological community over time.

27
Q

Pioneer Species

A

which are the first to colonize previously disrupted or damaged ecosystems, beginning a chain of ecological succession that ultimately leads to a more biodiverse steady-state ecosystem.

28
Q

Climax Community

A

a stable mature community in a successive series which has reached equilibrium after having evolved through stages and adapted to its environment

29
Q

Ecosystem

A

a biological community of interacting organisms and their physical environmen