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APES U3 > k and r selected species > Flashcards

k and r selected species Flashcards

1
Q

What type of life do r selected species have?

A

Short life

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2
Q

What type of growth do r selected species have?

A

Rapid growth

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3
Q

What type of maturity do r selected species have?

A

Early maturity

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4
Q

What type of offspring do r selected species have?

A

Many, small offspring

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5
Q

What type of protection, parental care, and investment in individual offspring do r selected species have?

A

Little parental care, protection, and investment in individual offspring

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6
Q

What are r selected species adapted to?

A

Unstable environments

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7
Q

What are r selected species known as?

A

Pioneers and colonizers

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8
Q

What type of niche are k selected species?

A

niche specialists

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9
Q

Are r selected species prey or predator?

A

Prey

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10
Q

What are r selected species mainly regulated by?

A

Intrinsic factors

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11
Q

What type of trophic level are r selected species?

A

Low trophic level

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12
Q

What type of life do k selected species have?

A

Long life

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13
Q

What type of growth do k selected species have?

A

Slower growth

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14
Q

What type of maturity do k selected species have?

A

Late maturity

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15
Q

What type of offspring do k selected species have?

A

Few, large offspring

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16
Q

What type of investment in individual offspring, parental care, and protection do k selected species have?

A

High

17
Q

What are k selected species adapted to?

A

Stable, predictable environment

18
Q

What type of succession do k selected species have?

A

Later stages of succession

19
Q

What type of niche are k selected species?

A

Niche specialists

20
Q

Are k selected species prey or predator?

A

Predator

21
Q

What are k selected species mainly regulated by?

A

Extrinsic factors

22
Q

What trophic level are k selected species?

A

High tropic levels

22
Q

What trophic level are k selected species?

A

High tropic levels

23
Q

How is the population size in k selected species?

A

Stable

24
Q

What typically causes the death of k selected species?

A

Density-dependent mortality

25
Q

What type of competition do k selected species face?

A

Intense competition

26
Q

What type of reproductive events do k selected species have?

A

Multiple reproductive events beginning later in life

27
Q

What type of population growth curve do k selected species have?

A

S-shaped

28
Q

What is the body size of k selected species?

A

Large body size

29
Q

What do r-selected species exploit?

A

Rapidly changing environments

30
Q

How is the population size in r-selected species?

A

Highly variable

31
Q

What cause the deaths of r-selected species?

A

Density-independent mortality

32
Q

What type of competition do r-selected species have?

A

Low competiton

33
Q

What type of reproductive event do r-selected species?

A

Single reproductive event at a young age

34
Q

What type of population growth curve do r-selected species have?

A

J shaped curve

35
Q

What type of body size do r-selected species have?

A

Small body size

APES U3 (7 decks)

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