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Adaptations and Evolution
Terms in this set (19)
What is any heritable characteristic that increases an organism's ability to survive and reproduce in it's environment?
What is the process by which organisms in nature with variations most suited to their environment survive and leave more offspring (survival of the fittest)?
What are the similar structures that are shared by related species and have been inherited from a common ancestor?
What structures, inherited from ancestors, have lost much of their original size and function?
What structures serve similar functions, but do not share structure and development?
What occurs when individuals at one end of the curve have higher fitness than individuals elsewhere in the curve?
What occurs when individuals near the center of the curve have higher fitness than individuals at either end?
What occurs when phenotypes at both the upper and lower end of the curve have higher fitness than individuals near the middle?
What is the formation of a new species?
What links groups of organisms by showing current hypothesis about how evolutionary lines, or lineages, branch off from common ancestors?
What trait arose in the most recent common ancestor of a lineage and was posted and was passed to it's descendants?
What experiment suggests that organic compounds necessary for life could have arisen from simpler compounds on a primitive Earth?
What is the process by which organisms change over time as a result of changes in heritable physical or behavioral traits?
What is the formation of complex organic molecules from simpler inorganic molecules?
What theory purposes that organelles in eukaryotic cells were formed when different types of cells joined in a kind of merger?
What is the study of the evolutionary history of lineages of organisms?
What are a group of species that includes a single common ancestor and all descendants of that ancestor?
What is the random chance that can cause an allele to become more or less common in a population?
What occurs when two populations are separated by barriers such as rivers, mountains, or other bodies of water?
THIS SET IS OFTEN IN FOLDERS WITH...
Interdependence of Organisms and their Enviroments
Reproduction and Heredity
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