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Biology > Chapter 35 Vocab > Flashcards

Chapter 35 Vocab Flashcards

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1
Q

Quadrat

A

Sample population in several small areas

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2
Q

Indirect counting

A

Count nests, burrows, or tracks rather than actual organisms

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3
Q

Mark recapture

A

Mark a few individuals. Recapture to figure out population size. Only give estimates

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4
Q

Limiting factors

A

Conditions that can restrict a population’s growth

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5
Q

Exponential growth

A

Population multiplies by constant factor at constant intervals

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6
Q

Carrying capacity

A

Maximum number of organisms in population that can be maintained by environment

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7
Q

Density dependent factor

A

A factor which affects a population more as it’s density increases

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8
Q

Population growth cycles

A

Boom and bust cycle (rise and fall pop)

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9
Q

Immigration

A

Incoming organisms to population

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10
Q

Emigration

A

Leaving organisms from pop

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11
Q

Age structure

A

Distribution of different age groups in a population

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12
Q

Interspecific competition

A

Species compete for same types of limited resources

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13
Q

Competitive exclusion

A

One of two competing species with equal needs out competes the other to survive

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14
Q

Niches

A

Habitat food sources, time when most active, other behaviors

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15
Q

Predation

A

One organism eats another

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16
Q

Mimiery

A

Organism mimics another more dangerous organism to discourage predators

17
Q

Symbiotic relationships

A

Close interaction of two species. One lives in/on the other

18
Q

Parasitism

A

One organism obtains resources st expense of the other, one benefits other is harmed

19
Q

Mutualism

A

Both organisms benefit

20
Q

Commensalism

A

One organism helped. The other neither helped nor harmed

21
Q

Population density

A

Number of individuals of a species in the same area, compare populations in different locations

Biology (19 decks)

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