Ecology Flashcards

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1
Q

ecology

A

Study of organisms and their interactions with their environment and other organisms

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2
Q

Abiotic

A

non living parts (water; wind soil)

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3
Q

Biotic

A

living parts ( organisms

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4
Q

organism

A

individual within a species

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5
Q

population

A

all members of the same species in an area

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6
Q

Community

A

several populations living and interacting in an area

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7
Q

Ecosystem

A

community plus abiotic factors

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8
Q

Biome

A

many similar ecosystems within a large area

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9
Q

Biosphere

A

All biomes of the entire world

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10
Q

producer

A

most energy

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11
Q

primary consumer

A

herbivors

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12
Q

secondary consumer

A

carnivores

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13
Q

tertiary consumer

A

least energy

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14
Q

energy pyramid

A

model showing energy available for consumers

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15
Q

tropic level

A

level of energy within the energy pyramid

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16
Q

boimass

A

all f the mass of living things in the world/area

17
Q

10% rule

A

only about 10% of the energy moves on

18
Q

photosynthesis

A

process of harnessing energy from the sun to make sugars

19
Q

cell respiration

A

process of breaking down sugars to gain energy (oxygen helps break it down)

20
Q

pop. distribution

A

how a population of organisms is organized

21
Q

pop. density

A

if it is high there is a lot in an area, if it is low then there is few

22
Q

DDF

A

disease, starvation, killing each other

23
Q

DIF

A

flood, forest fires, drought; can’t change

24
Q

Growth rate

A

change in number of individuals over time

25
Q

Exponential growth

A

under ideal conditions ( unlimited resources)

26
Q

Limited growth

A

resources are shared and NOT ENDLESS

27
Q

Carrying capacity

A

number of organisms are environment can hold