Vocabulary
migrate, fertility, mutate, hibernate, popularity, natural selection, heredity, evolution, adaptation, biological evolution, species, fossil record, natural selection, extinction, morphological adaptations, physiological adaptation, behavioral adaptation, populations, natural selection, evolution, fitness, trait, reproduce, behavioral adaptation, structural adaptation, natural selection, trait, adaptation, species, genetic variation, abiotic, genetic mutation, sexual selection, habitat, adaptation, behavioral adaptations, evolution, natural selection, physiological adaptations, reproduction, structural adaptation, traits, variations, adaptation, behavioral adaptations, evolution, natural selection, physiological adaptations, reproduction, structural adaptation, traits, variations, adaptation, natural selection, extinction, habitats, predator, prey, hibernation, behavioral adaptation, structural adaptation, ecosystem, food chain, migration, traits, traits, spines, bark, thorn, ridged, migrating, behavioral adaptation, natural selection, resources, adaptations, bulb, Charles Darwin, Theory of Evolution, Of the Origin of Species, natural selection, genes, DNA, mutations; (structural, behavioral, physiological), environmental changes (variables), adaptation, population, predator\/prey, distribution of traits, reproduction cycle, carnivorous, extinct, global warming, herbivorous, habitat, Ice Age, insectivorous, defense mechanism, camouflage, Coming Soon!,