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22 Cards in this Set
- Front
- Back
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Biological Evolution |
Change over time in populations of related organisms |
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Cast |
Fossil copy of an organism in rock |
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Extinction |
When all individuals of a species have died |
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Fossil Record |
set of all the fossils ever discovered on Earth |
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Geologic Time Scale |
Chart that divides Earth's history into different time units |
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Isotopes |
Atoms of the same element that have different numbers of neutrons |
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Mold |
Impression of an organism in a rock |
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Tissue |
Similar cells that work together and perform a function |
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Trace Fossil |
Perserved evidence of the activity of an organism |
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Adaptation |
Characteristic of a species that enables the species to survive in its environments |
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Camo |
Adaptation that enables species to blend in with their environments |
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Convince |
To overcome by argument |
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Mimicry |
Resemblance of one species to another |
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Natural Selecion |
Process by which populations of organisms with variations that help them survive in their environments live longer, compete vetter, and reproduce mare that those that do not have the variations |
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Naturalist |
Person who studies plants and animals by observing them |
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Selective Breeding |
The breeding of organisms for desired characteristics |
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Variation |
Slight difference in the appearance of individual memebers of a species |
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Analogus Structure |
Body part found in multiple species that performs a similar function but differs in structure |
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Comparative Anatomy |
Study of similarities and differences among stuctures of living species |
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Embryology |
Science of the development of embryos from fertilization to birth |
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Homologous Structure |
Body part found in miltiple species that is similar in structure and position but different in function |
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Vestigel Structure |
Body part that has lost its original function through evolution |
