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chapter4yuricabulary
yes
| Term | Definition |
|---|---|
| species | A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce. |
| variation | Any difference between individuals of the same species. |
| evolution | change over time; the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth |
| fossil | the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock |
| adaptation | The evolution of features that make a group of organisms better suited to live and reproduce in their environment |
| scientific theory | a well-tested explanation for a wide range of observations or experimental results |
| mechanism | The natural process by which something takes place |
| natural selection | The process by which organisms that are best adapted to their environment are most likely to survive and reproduce |
| competition | The struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time |
| mutation | Any change in the DNA of a gene or a chromosomes |
| expression | the appearance in a phenotype of a characteristic or effect attributed to a particular gene |
| fitness | How well an organism can survive and reproduce in its environment |
| sexual selection | A type of natural selection that acts on an organism's ability to get the best possible mate |
| coevolution | the process by which two species evolve in response to changes in each other over time |
| randomly | without method or conscious decision; indiscriminately. |
| interactions | the action between |
| fossil record | All the fossils that have been discovered and what scientists have learned from them |
| embryo | the young organism that develops from a zygote |
| homologous structures | Structures that are similar in different species and that have been inherited from a common ancestor |
| extinct | Term used to refer to a group of related organisms that has died out |
| protein | Large organic molecule made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. |
| transfer | move to another group, occupation, or service |
Created by:
mr. joe mama yuri tarted ben dover
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