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ADV. BIO- UNIT 1 (SEX AND BEHAVIOR (Parental investment- females put a…
ADV. BIO- UNIT 1
SEX AND BEHAVIOR
Parental investment- females put a larger envetment ibnto egg prodution. Parental investment is costly but increases survival chances.
Monogamy- one male and mone female/ Polygyny- one male multiple females/ ployandry one female multiple males/ polyangny multiple males and multiple females
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EVOLUTION
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Genetic drift can lead to evolution. It is more important in smaller populations as alleles are more likely to be lost from the gene pool
Absolute fitness is the ratio of frequencies of a particular genotype from one generation to the next.
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Co-evolution is seen in pairs of species that interact frequently. A change in traits of one species acts as a selection pressure on the other.
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