Brief description of animal reproduction
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| Types of Asexual Reproduction | Budding, Fission, Fragmentation, regeneration
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| Advantages of Asexual Reproduction | Animals living in isolation can reproduce, Enables organisms to produce many offspring in a short time, stable environment ideal for successful genotype to produce precisely.
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| Reproductive Cycles | Occur to allow organisms time to conserve energy for reproduction
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| Reproduction Cycles | Controlled by hormones
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| Reproductive Cycle Triggers | Hormonal and environmental cues
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| Environmental cues | Temperature, Day length, lunar cycles, rainfall
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| Parthenogenesis | Process by which an egg develops without being fertilized. Produces Haploid offspring
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| Examples of parthenogenesis in species | Male honeybees, whiptail lizards
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| Hermaphroditism | Each individual has both male and female reproductive systems. Can self-fertilize at times, but most must mate with same species
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| sequential hermaphroditism | An individual reverses its sex during its lifetime.
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| Examples of sequential hermaphroditism | Caribbean bluehead wrasse, oysters.
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| Mechanisms of fertilization | internal fertilization, external fertilization.
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| External fertilization needs | moist environment to keep gametes from drying out.
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| External fertilization triggers | Environmental and behavioral
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| Internal fertilization | Adaptation to terrestrial life, because it enables gametes to meet when the environment is dry.
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| Pheromones | chemical signals that are released to attract a mate.
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Created by:
Erinlei
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