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QuestionAnswer
Species A group of organisms that can reproduce together and have fertile offspring.
Evolution The gradual change of species over time.
Adaptation A trait that helps an organism survive and reproduce.
Fossil Preserved remains or traces of ancient life.
Fossil Record All fossils and the information they give about Earth’s history.
Relative Dating Determining age by comparing rock layers (deeper = older).
Absolute Dating Determining exact age using radioactive decay.
Natural Selection A process where organisms with helpful traits survive and reproduce more.
Competition Struggle between organisms for limited resources.
Sexual Selection Traits that help attract mates become more common.
Created by: user-2020431
 

 



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