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Stack #4629923
| Question | Answer |
|---|---|
| Species | – A group of organisms whose members successfully reproduce among themselves. |
| Evolution | – Changes that occur over time in the hereditary features of a species of organisms |
| Natural selection | – Darwin’s theory of evolution, states that organisms best adapted to their environment are more likely to survive and pass their traits to their offspring. |
| Variation | – The occurrence of an inherited trait that makes an individual different from other members of the same species. |
| Fossil | – Remains of life from an earlier time. |
| Relative dating | – Estimating the age of a fossil by comparing it to younger fossils in the rock layers above and to older fossils in the rock layers below. |
| Homologous | – Body parts in different species that are similar in origin and structure. |
| Vestigial structures | – A body part that is reduced in size and that has no obvious use. |
| Embryology | – The study of the development of embryos, which are the earliest stages of an organism's development. |
| Homo sapiens | – Our own species, a hominid primate mammal; evolved 300,000 years ago. |
| Extinction | – The dying out of an entire species. |
| Endangered species | – A species with so few individuals left that it is in danger of extinction. |
Created by:
ahar8813