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Science terms 721

Science words

Fossil Record A historical sequence of life indicated by fossils found in layers of Earth's crust.
Over production More offsprings are produced than can survive.
Species A group of organism that are closely related and can mate to reproduce offsprings.
Inherited Variation Each offsprings inherits a unique combination of traits. They are not all indentical.
Successful reproduction Offsprings with traits that help them survive will grow up and have their own offsprings.
Struggle to survive Some offsprings will survive and some will not.
Fossil The remains or physical evidence of an organism preserved by geological process.
Evolution The process in which inherited characteristics within a population change over generations such that new species sometimes arise.
Adaptation A characteristics that improves an individuals ability to survive and reproduce in a particular environment.
Natural Selection The process by which individuals that are better adapted to their environment survive and reproduce more successfully than less well adapted individuals do; a theory to explain the mechanism of evolution.
Trait A genetically determined characteristics.
Speciation The formation of new species as a result of evolution.
Generation Time The period between the birth of one generation and the birth of the next generation.
Selective Breeding The human practice of breeding animals or plants that have certain desired characteristics.
Created by: Amnrox312



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