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bmms chpt 7 life sci
bmms chpt 7 life science
| Question | Answer |
|---|---|
| A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce. | species |
| A type of fossil formed when a shell or other hard part of an organism dissolves leaving an empty space in the shape of the part. | mold |
| The process of grouping things based on their similarities. | classification |
| The disappearance of all members of a species from Earth. | extinct |
| The process by which individuals that are better adapted to their environment are more likely to survive and reproduce than others of the same species. | natural selection |
| A type of fossil that forms when a mold becomes filled in with minerals that then harden. | cast |
| A classification grouping that consists of a number of similar, closely related species. | genus |
| The preserved remains or traces of an organism that lived in the past. | fossil |
| An organism whose cells lack a nucleus and some other cell structures. | prokaryote |
| The gradual change of a species over time. | evolution |
| The scientific study of how living things are classified. | taxonomy |
| A well tested concept that explains a wide range of observations. | scientific theory |
| An organsim whose cells contain a nuclei. | eukaryote |
| A behavior or physical characteristic that allows an organism to survive or reproduce in its environment. | adaptation |
| A specific environment that provides the things than an organism needs to live, grow, and reproduce. | habitat |
| The comparison of the structures of different organisms. | comparative anatomy |
| A diagram that shows how scientists think different groups of organisms are related. | branching tree diagram |
| Body parts that are structurally similar in related species. | homologous structures |
| A characteristic, usually a homologous structure, shared by all organisms in a group. | shared derived characteristic |
| The system for naming organisms in which each organism is given a unique, two-part scientific name. | binomial nomenclature |
| The theory that species evolved during short periods of rapid change. | punctuated equilibria |
| A scientists who studies fossils. | paleontologist |
| The theory that evolution occurs slowly but steadily. | gradualism |
| A difference between individuals of the same species. | variation |
| A fossil formed when minerals replace all or part of an organism. | petrified fossil |
Created by:
tgsheldon
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