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Topic 5

Living environment

QuestionAnswer
Evolution The process by which species have changed over time
Theory An explanation, supported by many observations and experiments, that can be used to accurately explain related occurrences
Fossil record A collection of fossils used to represent Earth's history
Geologic time Earth's history as revealed by layers of rock
Natural selection The process by which the organisms that are best adapted to a specific environment survive and produce more offspring that organisms that are not as well adapted
Overproduction The potential for a species to increase its numbers beyond the area's carrying capacity
Genetic variation The normal differences found among offspring
Adaptive value Any trait that helps an organism survive and reproduce under a given set of environmental conditions
Mutation Any alteration in the sequence of DNA
Extinction The disappearance of all members of a species from earth
Created by: user-1977505
 

 



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