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Cell, Organisms And Systems > Mate Choice and Sociality in Evolutionary Biology > Flashcards

Mate Choice and Sociality in Evolutionary Biology Flashcards

1
Q

Sexual Selection

A

Darwin’s concept explaining non-adaptive male traits.

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2
Q

Assortative Mating

A

Mating preference for similar phenotypes.

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3
Q

Sociality

A

Living in groups for breeding and survival.

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4
Q

Altruism

A

Behavior benefiting others at personal cost.

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5
Q

Eusociality

A

Cooperative breeding and division of labor.

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6
Q

Sex Differences

A

Variations in traits between male and female.

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7
Q

Gamete Size

A

Females produce larger, more resource-rich gametes.

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8
Q

Parental Care

A

Investment in offspring survival and development.

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9
Q

Lifetime Reproductive Success

A

Total offspring produced over an individual’s life.

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10
Q

Alpha Male

A

Dominant male with highest reproductive success.

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11
Q

Differential Variance

A

Differences in reproductive success among sexes.

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12
Q

Intersexual Choice

A

Female selection based on male traits.

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13
Q

Intrasexual Competition

A

Male competition for access to females.

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14
Q

Aesthetics in Mate Choice

A

Preferences based on visual appeal in males.

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15
Q

Good Genes Hypothesis

A

Females choose males with superior genetic traits.

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16
Q

Cedar Waxwing

A

Bird species exemplifying aesthetic mate choice.

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17
Q

Peacock Eyespot

A

Indicator of male quality and offspring success.

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18
Q

House Finch

A

Species where females prefer redder males.

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19
Q

Vogelkop Bowerbird

A

Species known for elaborate courtship displays.

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20
Q

California Elephant Seal

A

Species with extreme male reproductive competition.

21
Q

Sexual Dimorphism

A

Distinct differences in size or appearance.

22
Q

Natural Selection

A

Process driving evolution through survival advantages.

23
Q

Kin Selection

A

Evolutionary strategy favoring relatives’ reproductive success.

24
Q

Conflict in Evolution

A

Struggles impacting evolutionary outcomes among species.

25
Q

Mating Systems

A

Patterns of mate selection and reproductive strategies.

26
Q

Stalk-eyed fly

A

Example of a species under sexual selection.

27
Q

Honest signalling

A

Signals that accurately reflect an individual’s quality.

28
Q

The Handicap Principle

A

Costly traits indicate fitness and health.

29
Q

Assortative mating

A

Preference for similar phenotypes in mate selection.

30
Q

Optimal outbreeding

A

Mating strategy to enhance genetic diversity.

31
Q

Major histocompatibility complex (MHC)

A

Genes important for immune system function.

32
Q

Sweaty T-shirt experiment

A

Study showing female preference for diverse MHC types.

33
Q

Parental care

A

Investment by parents in offspring survival.

34
Q

Parent-offspring conflict

A

Disagreement over resource allocation between generations.

35
Q

Siblicide

A

Nestlings kill siblings for survival advantages.

36
Q

Cooperative breeding

A

Helpers assist in raising offspring of others.

37
Q

Meerkat sentinel

A

Non-breeder watches for predators during foraging.

38
Q

Meerkat helpers

A

Assist in the development and survival of pups.

39
Q

Infanticide in meerkats

A

Pregnant females kill others’ young to ensure survival.

40
Q

Colony structure in naked mole rats

A

Single queen restricts breeding in the colony.

41
Q

Courtship behavior

A

Elaborate rituals to attract mates.

42
Q

Genetic compatibility

A

Ability to maintain healthy offspring through diversity.

43
Q

Olfactory cues

A

Chemical signals used in mate selection.

44
Q

Dominant females in meerkats

A

Account for most surviving offspring in groups.

45
Q

Lookout alarm

A

Distinct bark warns of predators to protect group.

46
Q

Overlapping generations

A

Multiple age groups coexist within a colony.

47
Q

Division of labor

A

Specialization of roles within a social group.

48
Q

Behavioral compatibility

A

Preference for mates with similar behaviors.

49
Q

Genetic diversity

A

Variety of genes within a population.

Cell, Organisms And Systems (17 decks)

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