10 Flashcards

1
Q

Intrinsic rate of increase, r_max?

A

Birth rates are as high as possible or death rates are as low as possible.

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2
Q

Per-capita rate of increase of each population is likely?

A

Lower than r_max.

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3
Q

Exponential population growth condition? (2•)

A

•r does not change over time since r does not depend on the # of individuals in the population (density)
•Population growth is density independent

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4
Q

In exponential growth, what does a high r mean?

A

The population is increasing fast.

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5
Q

When increasing in the size of population do not affect r, then growth is?

A

Density independent.

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6
Q

Logistic Growth?

A

Density dependent and r changes since there are limited recourses.

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7
Q

If there is an increase in density, what does that mean for recourses?

A

Resources are more limited because there are more individuals in an area and competition would increase.

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8
Q

Fecundity?

A

of female offspring produced by each female

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9
Q

Survivorship?

A

Average proportion of offspring that survive to a particular age.

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10
Q

R-selected species?

A

High fecundity but low survivorship.

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11
Q

K-selected species?

A

Low fecundity but high survivorship.

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12
Q

Increase rate of reproduction can be related to?

A

Lower survivorship.

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13
Q

Char of organisms with high fecundity? (3•)

A

•Grow Quickly
•Reach sexual maturity at a young age
•Produce many small eggs or seeds

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14
Q

Char of organisms with high survivorship? (2•)

A

•Grow slowly
•Invest energy in defences and traits increasing competitive ability

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