2.2 Study Guide Flashcards

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1
Q

Positive growth equation

A

Birth + Immigration > Death+ Emigration

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2
Q

Negative growth equation

A

Birth + Immigration < Death + Emigration

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3
Q

No growth equation

A

Birth + Immigration = Death + Emigration

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4
Q

Variable for maximum growth rate per capita

A

r

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5
Q

Variable for carrying capacity

A

K

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6
Q

Population size

A

N

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7
Q

Which growth has a carrying capacity

A

Logistic growth

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8
Q

Define carrying capacity

A

Maximum population the environment can support

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9
Q

What does dN/dt mean

A

Quantity representing population growth rate

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10
Q

When is growth the highest

A

When the distance between birth and death is largest

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11
Q

A lack of food prevents a certain population from growing any further

A

Logistic growth

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12
Q

The larger the population gets, the faster it grows

A

Exponential growth

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13
Q

Can happen in ideal environments with few limiting factors

A

Exponential growth

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14
Q

Population growth is slow right at the beginning and when the population nears carrying capacity

A

Logistic growth

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15
Q

Literal conversion of dN/dt

A

change in #/change in time

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16
Q

What are density-dependent factors

A

Any force that affects the size of a population of living things in response to the density of the population (tend to be abiotic)

17
Q

What are density-independent factors

A

Any force that affects the size of a population of living things regardless of the density of the population (tend to be abiotic)

18
Q

Examples of density-dependent factors

A

Competition for water, Disease

19
Q

Examples of density-independent factors

A

Flood, Drought

19
Q

Meaning of N o

A

constant representing initial population size

20
Q

Exponential growth equation

A

dN/dt = rN

21
Q

Logistic growth equation

A

dN/dt = rN (K-N)/K