Sexual selection Flashcards

1
Q

What is fitness?

A

Genetic contribution to subsequent generations, can be measured as lifetime of reproductive success

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2
Q

What is sexual selection?

A

Form in which individuals with certain inherited characters are more likely than other to obtain mates

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3
Q

What is sexual dimorphism?

A

Marked differences between the two sexes

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4
Q

What is sex role reversal?

A

Where males are the limiting resource, not females

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5
Q

What is monogamy?

A

one male and female, low sexual selection opportunities

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6
Q

What is Polygamy?

A

Male and female have multiple

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7
Q

What is polygyny?

A

Male has multiple partners

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8
Q

What is polyandry?

A

Female has multiple

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9
Q

What is intersexual selection?

A

selection within the same sex competition between males

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10
Q

What is intersexual selection?

A

Mate choice, females choose mates - depends on males success, epigenetic slection

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11
Q

What is runaway sexual selection?

A

Positive feedback loop. If trait is preferred by females , both male trait and female preference should increase in frequency

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