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24 Cards in this Set
- Front
- Back
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The maintenance of a relatively stable internal physiological environment in an organism; usually involves some form of feedback self-regulation
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Homeostasis
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The smallest unit of an element that contains all the characteristics of that element. Building Blocks of matter.
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Atom
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A group of atoms help together by chemical bonds in a stable association.
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Molecule
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Specialized part of a cell; literally a small cytoplasmic organ.
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Organelle
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A group of similar cells organized into a structural and functional unit.
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Tissue
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A body structure composed of several different tissues grouped in a structural and functional unit.
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Organ
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A grouping of organs with related functions. The nervous system comprised of: the brain, spinal cord, and neuron that convey signals.
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Organ System
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A group of individuals, usually of a single species, occupying a given area at the same time.
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Population
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A kind of organism; species are designated by binomial names written in italics.
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Species
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All the populations of different species living together in one place; for example, all populations that inhabit a mountain meadow.
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Biological Community
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A major interacting system that includes organisms and their nonliving environment.
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Ecosystem
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Novel properties arising from the way in which components interact. Often cannot be deduced solely from knowledge of the individual components.
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Emergent Properties
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The logical application of general principles to predict a specific result. Test the validity of general ideas.
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Deductive Reasoning
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The logical application of specific observations to make a generalization. Used to formulate testable hypotheses
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Inductive Reasoning
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A test of one or more hypotheses.
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Experiment
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A factor that influences a process, outcome, or observation.
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Variable
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The gain of an electron by an atom, often with an associated proton
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Reduction
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Genetic change in a population of organisms. Progressive change from simple to complex.
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Evolution
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Change in the genetic structure of populations due to selective breeding by humans.
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Artificial Selection
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A condition in which the similarity between two structures or functions is indicative of a common evolutionary origin.
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Homologous
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Structures that are similar in function but different in evolutionary origin, such as the wing of a bat and the wing of a butterfly.
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Analogous
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A pattern of descent generated by analysis of similarities and differences among organisms.
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Phylogenetic Tree
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The principle stating that all organisms consists of one or more cells, which are the smallest living things, and that all cells come from preexisting cells.
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Cell Theory
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The genetic material of all organisms; composed of two complementary chains of nucleotides wound in a double helix.
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Deoxyribonucleic Acid (DNA)
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