biotic, The living component of an ecostsyem, variation, differences in organisms, population, members of a species that live in a specific area, mutualism, both members in a relationship benefit, commensalism, one member benefits and the other is not affected, parasitism, One benefits and the other is harmed, Niche, An organisms role in the ecosystem, Resource partitioning, Some birds eat bugs under the tree, other eat bugs in the tree. This is an example of..., artificial selection, The wide variety of dogs is an example of..., continuous variation, the range in height or weight is an example of, Discrete variation, A widow's peak hairline is an example of, Asexual reproduction, budding is an example of, Sexual reproduction, The joining of gametes is an example of, Fertilization, The process of two gametes uniting, Zygote, The result of fertilization is, Gene, a section of DNA that contains information for a specific trait, Dominant trait, The trait that will always be visible if present, example brown hair., homozygous, have the same alleles for a trait, heterozygous, having two different alleles for a trait, DNA, Often referred to as a blueprint, nucleus, The control center of the cell, Chromosomes, packages of DNA, Mitosis, used to create somatic or body cells, meiosis, used to create sex cells or gametes, natural selection, when the environment chooses which members of a species survive and carry on to reproduce, extinction, when an entire species disappears from the earth, extirpation, when a species disappears from a specific area, overspecialization, when species have not had to adapt to a changing environment - example is the Panda, habitat reduction, when a species' habitat is greatly reduced and can cause extinction or extirpation, conservation, preserving a resource or species

Biodiversity Unit Review

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