ecology Flashcards

1
Q

ecology

A

study f interactions between organisms and their enviornment

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2
Q

species

A

a group of similar organisms that can reproduce creating fertile/viable offspring

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3
Q

biotic factors

A

living factors

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4
Q

abiotic

A

non living factors

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5
Q

weather

A

day to day condition of atmosphere

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6
Q

climate

A

average condition of atmosphere over time

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7
Q

sunlight and greenhouse effect

A

solar energy hist earth, warms it up, gasses in atmosphere trap the heat

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8
Q

can energy be created or destroyed?

A

no

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9
Q

primary producers

A

able to build energy rich compounds that are later utilized by themselves or other organisms, considered autotrophs

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10
Q

photosynthesis

A

harness light energy to build energy rich carbohydrates

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11
Q

heterorophs

A

must acquire energy from other organisms

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12
Q

consumers

A

considered heterotrophs

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13
Q

herbivore

A

eat producers

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14
Q

carnivore

A

eat consumers

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15
Q

omnivore

A

eat plants and animals

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16
Q

scavengers

A

eat dead animals

17
Q

decomposers

A

break down dead organisms

18
Q

detrivores

A

feeds on products of decomposing tissue

19
Q

food chains and food webs

A

energy flows through ab ecosystem for producers to consumers

20
Q

trophic level

A

role in a specific food chain

21
Q

what is the difference between a food chain and a food web

A

food chain is a linear diagram and food web is a collection of multiple food chains

22
Q

energy pyramid

A

energy flows in 1 direction through an ecosystem- only 10% of energy passes on to next level

23
Q

energy ___ through an ecosystem

24
Q

matter ___ through an ecosystem

25
predation
organisms captures and feeds in another
26
herbivory
organism feeds on produce
27
keystone species
a species who's population, when changed, cases large diturbances in the community
28
symbosis
2 species living closely together
29
mutualism
benefits both species
30
parasitism
one is benefited while other is harmed
31
commensalism
one gets benefited while other is neither helped or harmed
32
primary succession
area where no remnants of a past community exists
33
secondary succesion
after a disturbance partially destroys area