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LS 13 Evolution of

8th Grade 2022

QuestionAnswer
Random inheritable changes to DNA, mostly caused by UV light from the Sun. These are usually harmful, but sometimes helpful. Mutations
Mutations that are helpful can be considered ___, traits of an organism that helps them survive better. Adaptations
Scientist who studied living things and came up with the Theory of Natural Selection to explain how living things evolve over time. Famous for his work with finches on the Galapagos islands. Charles Darwin
Species without traits to survive may become ___. Extinct
States that members of a species who have traits that help them best survive will live, reproduce more, and make those traits more popular in the species. Natural Selection
Physical remains of the ancient past that show evidence of how living things have changed over time. Fossil Record
Comparing the DNA between organisms to show how they are related and may have had a common ancestor. Genetic Evidence
The studied of early development of organisms that shows similarities between organisms, suggesting a common ancestor. Embryology
Similar bone structures between organisms that suggests that they had a common ancestor. Homologous Structures
Fossils are typically found in ____ rock, because it forms layers that can trap the remains of organisms between them. Sedimentary
The different forms of traits in a species. Some of these traits may offer advantages over others. Variations
The changing of organisms over time due to mutations, adaptations, and natural selection. Evolution
The oldest fossils in sedimentary rock are found at the ___. Bottom
The youngest fossils in sedimentary rock are found at the ___. Top
Created by: Mr. Dornfeld
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