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Biology 212-1 > Chapter 53 > Flashcards

Chapter 53 Flashcards

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0
Q

The pattern of spacing among individuals within the boundaries of the population

A

Dispersion

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1
Q

The number of individuals per unit area of volume

A

Density

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2
Q

Why a population may grow?

A

Births/immigration

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3
Q

Why a population may decrease?

A

Deaths/emigration

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4
Q

The most common pattern of dispersion? Where individuals are aggregated in patches

A

Clumped dispersion

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5
Q

An evenly spaced pattern of dispersion?

A

Uniform dispersion

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6
Q

The defense of a bounded physical space against encroachment by other individuals

A

Territoriality

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7
Q

The study of vital statistics of populations and how they change over time

A

Demography

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8
Q

Age-specific summaries of the survival pattern of a population

A

Life tables

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9
Q

A group of individuals of the same age, from birth until all of the individuals are dead

A

Cohort

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10
Q

A plot of the proportion or numbers in a cohort still alive at each age

A

Survivorship curve

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11
Q

An age-specific summary of the reproductive rates in a population

A

Reproductive table

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12
Q

When the per capita birth rates and death rates are equal

A

Zero population growth

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13
Q

The maximum population size that a particular environment can sustain

A

Carrying capacity

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14
Q

When reproduction begins, how often organisms reproduce, how many offspring are produced per reproductive episode

A

Life history

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15
Q

Big Bang reproduction

A

Semelparity

16
Q

Repeated production

A

Iteropathy

17
Q

Density dependent selection

A

K-selection

18
Q

Selection for traits that maximize reproductive success in uncrowded low density environments

A

R-selection

19
Q

A birth rate or death rate that does not change with population density

A

Density independent

20
Q

A death rate that rises as population density rises or birth rate that falls with rising density

A

Density dependent

21
Q

When a number of local populations are linked

A

Metapopulation

22
Q

The movement from high birth and death relates toward low birth and death rates which tends to accompany industrialization and improved living conditions

A

Demographic transition

23
Q

The relative number if individuals of each age in the population

A

Age structure

Biology 212-1 (7 decks)

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