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Ch16

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Total cards: 11•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (11)

#1
Front (Question)

List 3 factors that can favor asexual or sexual reproduction

Back (Answer)

• environmental unpredictability • number of niches • parasite load

#2
Front (Question)

Define red queen hypothesis

Back (Answer)

sexual reproduction is an adaptation that allows hosts to produce sufficient genetic variation to keep up with the evolution of their parasites *coevolutionary arms race

#3
Front (Question)

Define Asexual reproduction

Back (Answer)

Production of offspring from unfertilized gametes

#4
Front (Question)

List 2 forms of Asexual reproduction

Back (Answer)

• Apomixis: undergo mitosis-like cell division - Automixis: undego meiosis, but diploidy is restored in many ways

#5
Front (Question)

Define twofold cost of sex

Back (Answer)

a substantial difference in fitness & number of offspring produced by asexual & sexual reproduction

#6
Front (Question)

What is the twofold cost of sex a consequence of?

Back (Answer)

anisogamy

#7
Front (Question)

Define anisogamy

Back (Answer)

when one sex can produce two different types of gametes

#8
Front (Question)

Define isogamy

Back (Answer)

when individuals produce one type of gamete

#9
Front (Question)

List the cost of sexual reproduction

Back (Answer)

• twofold cost of sex • sex can break up favorable allele combinations • finding mates • performing courtship • exposed to predation risk • acquiring parasites

#10
Front (Question)

List the benefits of sexual reproduction

Back (Answer)

• sex remove harmful mutations • speed up evolution by natural selection • unite benecial mutations

#11
Front (Question)

Parasites usually evolve faster than the host how can hosts overcome this problem?

Back (Answer)

by increasing genetic variation through sexual reproduction * red queen hypothesis