'Hybrid sterility' diaporamas de présentation

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Biology Keystone vocabulary Flashcards

Biology Keystone vocabulary Flashcards. Set 3 (H through O) . Habitat. An area that provides an organism with its basic needs for survival. Homeostasis. The regulatory process in which an organism regulates its internal environment. Homeostatic Mechanism.

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Evolution

Evolution. The Origin of Species. Mosquito Mystery Speciation is the emergence of new species In England and North America Two species of mosquitoes exist and spread West Nile virus. Figure 14.1. Speciation is the source of biological diversity Speciation, the origin of new species

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Speciation: Last Lecture!!

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The Origin of Species

The Origin of Species. Species. Biological Species. Ring Species. Prezygotic Habitat Isolation Behavior Isolation Temporal Isolation Mechanical Isolation Gametic Isolation. Postzygotic Hybrid Sterility Hybrid Inviability Hybrid Breakdown. Barriers. Habitat Isolation.

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Speciation

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Chapter Five

Chapter Five. Natural Selection and the Origin of Species. Natural Selection. Natural selection is one of the processes that acts to change the frequencies of alleles in a population.

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Mixed Up Species

Mixed Up Species. Hybrid Animals. What is a hybrid?. A Hybrid is a mating of two different species

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