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B- Unit 8 Lesson 4

Fossil Record and Embryology

TermDefinition
comparative anatomy a field of study that compares and contrasts the body structures of organisms to gain a better understanding of how life on Earth evolved
comparative embryology a field of study that compares the structures of embryos to find evolutionary relationships between organisms
sedimentary rock rock made from layers of sediment
vertebrate embryos unborn or unhatched animals with backbones
vestigial structure a body part that has lost its original function over time through the process of evolution
fossils the remains, imprints, or traces of living things from a previous geological age
radiometric dating a technique that uses radioactive decay to determine the age of objects, such as rocks, fossils, etc.
radioactive decay the release of energy and/or particles from atoms that are unstable and fall apart over time
Created by: atrang
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