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BIO 150.01 > M2: Social Relation and Life History Strategies > Flashcards

M2: Social Relation and Life History Strategies Flashcards

1
Q

What is the organism’s gender is either (male or female) throughout lifetime?

A

Hemaphrodite

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2
Q

What gender have less costly in energy and have smaller gamete size?

A

Male

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3
Q

What gender have more costly in energy and have larger gamete size?

A

Female

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4
Q

What organism that have both reproductive organs in one individual?

A

Monoecious

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5
Q

What organisms have reproductive organs in separate individuals?

A

Dioecious

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6
Q

What organisms have both functions?

A

Simultaneous

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7
Q

What organisms changes sex?

A

Sequential

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8
Q

What is selection when members of the same sex competes for mates?

A

Intrasexual selection

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9
Q

What is selection where one sex chooses which members of the opposite sex to mate with?

A

Intersexual selection

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10
Q

What is cooperation between individuals (exchange of resources, defense, and assistance)?

A

Sociality

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11
Q

What is individuals of > 1 generations living together (cooperative parental care)?

A

Eusociality

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12
Q

What is the individual fitness is influenced by the survival + reproduction of self + offspring & kin?

A

Inclusive fitness

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13
Q

What is Hamilton’s rule?

A

RgB-C > 0

Genetic relatedness of helper (Rg)
Reproductive benefit gained by recipient (B)
Reproductive cost to helper (C)

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14
Q

What is remaining in the same area throughout life?

A

Philopatry

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15
Q

What is the reproductive capacity of an organism?

A

Fecundity

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16
Q

What is the relationship between size and number of offspring?

A

Indirectly Proportional

17
Q

What is the allocation of time/energy/resources to offspring care?

A

Reproductive effort

18
Q

What measures reproductive effort?

A

Gonadosomatic index

19
Q

What life history have high population growth?

A

r selection

20
Q

What life history have low population growth?

A

k selection

21
Q

What is a single reproduction event, and have many smaller offspring?

A

Semelparous

22
Q

What is repeated reproduction, but larger and fewer offspring?

A

Iteroparous

23
Q

What is the variables for classifying life histories?

A

Fecundity (mx)
Survivorship (lx)
Age of reproduction maturity (a)

24
Q

It is the measure of life history where:
Mass of Offspring (l)/Adult Mass of first reproduction (m)
Relative reproductive effort across adult life span (C*E)

A

Charnov’s life history classification

BIO 150.01 (13 decks)

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