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| The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment |
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| The genetic constitution of an individual organism |
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| A type of cell division that results in two daughter cells each the same as the parent nucleus, typical of ordinary tissue growth |
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| A type of cell division that results in two daughter cells each with half the chromosome number of the parent cell |
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| hardy-weinburg equilibrium |
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| allele and genotype frequencies in a population will remain constant from generation to generation in the absence of other evolutionary influences |
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| The process whereby organisms better adapted to their environment tend to survive and produce more offspring. |
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| The formation of new and distinct species in the course of evolution |
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| how do fossils show evolution? |
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| over time organisms slowly transform from one species to another |
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| The musculoskeletal system provides form, support, stability, and movement to the body |
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| biological system that introduces respiratory gases to the interior and performs gas exchange. In humans and other mammals, the anatomical features of the respiratory system include airways, lungs, and the respiratory muscles |
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| the system of glands, each of which secretes different types of hormones directly into the bloodstream to maintain homeostasis |
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| the part of an animal's body that coordinates the voluntary and involuntary actions of the animal and transmits signals between different parts of its body |
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