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8th Grade Science

Evolutionary History Vocab

DefinitionTerm
a trait that makes it more likely that an individual will survive in a specific environment adaptive trait
a related organism from a previous generation ancestor
a part of an organism (for example, one or more bones) body structure
an older population from which two or more newer species descended common ancestor population
a more recent species that evolved from an ancestor population descendant species
to classify based on scientific examination diagnose
everything (living and nonliving) that surrounds an organism environment
the process by which species adapt to environmental changes over a very long time evolution
the very long time that spans the history of Earth, from the very first cellular life to the present evolutionary time
having died out completely and no longer alive anywhere on Earth extinct
evidence of life from the past, such as fossilized bones, footprints, or leaf prints fossil
a group of individuals born and living at about the same time generation
a graph that uses bars to show how characteristics or values are distributed within a group histogram
to receive genes from a parent inherit
an organism's arm, leg, or wing limb
a random change to a gene that sometimes results in a new trait mutation
the process by which the distribution of traits in a population changes over many generations natural selection
living things, such as plants, animals, and bacteria organisms
a scientist who studies fossils in order to understand the ancient history of life on Earth paleontologist
a group of the same type of organism living in the same area population
sharing a common ancestor population related
a body structure in two or more species that features the same parts (for example, the same bones) shared structure
the process by which one population evolves into two or more different species speciation
a group of organisms of the same kind (in one or more populations) that do not reproduce with organisms from any other group species
when something stays mostly the same over time stability
a specific characteristic of an individual organism trait
Created by: kbieber2023
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