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SOME CASES OF SEXUAL DIMORPHISM

UNIT 4. The reproduction function. SOME CASES OF SEXUAL DIMORPHISM. Natural Science 2. Secondary Education. UNIT 4. Some cases of sexual dimorphism. Animals that do not display sexual dimorphism.

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SOME CASES OF SEXUAL DIMORPHISM

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  1. UNIT4 The reproduction function SOME CASES OF SEXUAL DIMORPHISM Natural Science 2. Secondary Education

  2. UNIT4 Some cases of sexual dimorphism Animals that do not display sexual dimorphism • In certain species of animals, the two sexes differ only in their sexual organs. This means that they do not exhibit sexual dimorphism. • Examples are rabbits, cats, transparent gobies, etc. Male transparent goby Male cat Female cat Female transparent goby Natural Science 2. Secondary Education

  3. UNIT4 Some cases of sexual dimorphism Sexual dimorphism • In other species, in addition to having different reproductive organs, females and males are very different in their appearance: these species exhibit sexual dimorphism. • Examples of species that display sexual dimorphism are lizards, lions, many birds, human beings, etc. Female teal Male lizard Male teal Female lizard Natural Science 2. Secondary Education

  4. UNIT4 Some cases of sexual dimorphism Sexual dimorphism Male pheasant Female pheasant Male deer Female deer Male blackbird Female blackbird Natural Science 2. Secondary Education

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