Origin of Species Word Scramble
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| Question | Answer |
| Any trait that helps an organism survive and reproduce under specific environmental conditions. | adaptive value |
| The process by which species have changed over time. | evolution |
| The disappearance of all members of a species on Earth. | extinction |
| The collection of fossils used to provide clues to Earth's history. | fossil record |
| the normal difference found among offspring OR organisms of the same species. | genetic variation |
| The billions of years of Earth's history as revealed by layers of rock. | geologic time |
| Any alteration in the genetic material of an organism (DNA) | mutation |
| The process through which organisms best adapted to their environment survive to reproduce and pass on their traits more so than other organism not well adapted to their environment. | natural selection |
| Producing more offspring than can possibly survive or be supported by the environment. This ensures that at least some survive to maturity and reproduce. | overproduction |
| A concept or idea that has been tested and confirmed in many different ways over a long period of time. Can be used to make accurate predictions. | theory |
| A special scientific diagram that shows the anestral relationships of organisms. | cladogram |
| The variety of living organism in an ecosystem | Biodiversity |
| to group things based on their similarities | classify |
| The struggle between organisms for the same limited resources in a particular area. A force of evolution | competition |
| the preserved remains of ancient organisms | fossil |
| a group of organisms that share specific characteristics and can mate with each other to produce a fertile offspring. | species |
| a characteristic that is passed from parent(s) to offspring through the genes. | trait |
| studying and comparing embryos for similarities and differences to predict common ancestry | Comparative Embryology |
| studying and comparing the anatomy of living things and fossils for similarities and common ancestors | Comparative Anatomy |
| the studying of DNA and biochemical processes in living things for similarities and differences. | Comparative Biochemistry |
| the comparison and analysis of cells between living organisms. | Comparative Cytology |
| The system of using two names to classify organisms in taxonomy. | Binomial Nomenclature |
| Organisms are unable to reproduce when mated together. Example: dog and cat | Reproductive Isolation |
| Organisms that are separated by land or sea formations. Can lead to reproductive isolation. | Geographic Isolation |
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hfbiology
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