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1.1.1 Compliance
Psych
25 cards
Cards (64)
What is intrasexual selection?
Competition between males for
females
What is intersexual selection?
Females
choose males based on
specific
traits
If you wanted to study the external features of a cell in detail, which type of microscope would you use?
Scanning electron microscope
What is intrasexual selection based on?
Male competition
for access to females
How do cultural influences affect human mate preferences?
They shape preferences beyond
biological factors
What is intersexual selection?
Female choice based on
attractive
traits
What is intersexual selection?
When females choose their mates
What does baboon genital size indicate in sexual selection?
Female choice
What is sexual selection?
A special form of
natural selection
in which the mating preferences of one sex determine the
phenotype
of the other sex within a species
What traits are associated with intrasexual selection?
Strength
and
aggression
What is intrasexual selection?
Males
compete directly for
females
How does sexual selection differ from natural selection?
It focuses on
mate choice
and competition
What behavior is exhibited by
elephant seals
in the context of
sexual selection
?
Fighting (direct combat)
What is the outcome of sexual selection processes?
Increased
reproductive success
through traits
What is sexual selection?
A type of natural selection for mates
What is the difference between intrasexual and intersexual selection?
Intrasexual selection is competition within the same sex, while intersexual selection is based on mating preferences between the sexes
What do some critics argue about social learning in sexual selection?
It shapes human mate preferences significantly
What do deer antlers represent in terms of sexual selection?
Male competition
What is the term used for Darwin's proposed mechanisms related to mate selection?
Sexual selection
What is intersexual selection?
Selection based on
mate choice
What do critics argue about sexual selection?
It oversimplifies
mate choice
and
evolution
What trait do peahens prefer in peacocks?
Larger, more
vibrant
tails
How do human
mate preferences
affect
evolution
?
They shape changes in appearance and behavior
What role do environmental factors play in sexual selection?
They influence the
evolution
of traits
What role do
preferences
play in
sexual selection
?
Preferences are crucial in sexual selection
What are the two types of sexual selection mentioned?
Intersexual
selection: mate choice by one sex
Intrasexual
selection: competition among the same sex
What characteristic might evolve due to sexual selection?
Elaborate tails in male
peacocks
What role do songbirds' singing play in sexual selection?
Female choice
What are the main challenges to sexual selection?
Cultural influences on
mate preferences
Environmental factors affecting
trait evolution
Genetic variation
limiting trait expression
What are the two mechanisms of sexual selection proposed by Darwin?
Intersexual Selection
Intrasexual Selection
What traits are associated with intersexual selection?
Elaborate displays
and
attractive features
How does intrasexual selection reflect female preferences?
Females choose from
dominant
,
competitive
males
How do females influence sexual selection?
Females choose mates based on
attractive
traits
How do intersexual and intrasexual selection drive evolution?
Both enhance
reproductive
success
Lead to specific characteristic evolution
What is the outcome of female mate choice in sexual selection?
It drives the evolution of attractive traits
How do both intersexual and intrasexual selection influence evolution?
They enhance
attractiveness
or competitive ability
How does genetic variation limit sexual selection?
It restricts the
expression
of certain traits
What are the key differences between intersexual and intrasexual selection?
Intersexual selection
:
Female choice
Intrasexual selection:
Male competition
What traits are key in intrasexual selection?
Strength
or
aggression
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