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Natural selection

TermDefinition
Charles darwin a scientist who developed the theory of evelution by natural selection after studying how living things vary and adapt over time
migration the movement of animals from one place to another, often to find food, reproduce, or reach a more suitable climate.
adaption an inherited trait or behavior that helps an organism survive and reproduce in its environment
habitat the natural place where an organism lives and gets food, water, shelter, and other things it needs
natural selection the process in which organisms with helpful inherited traits are more likely to survive and reproduce, passing those traits to their offspring
hypothesis a possible explanation or prediction that can be tested through investigation or evidence
variation differences in traits among individuals of the same species, such as size, color, or speed
species a group of similar organisms that can reproduce with one another and produce fertile offspring
evolve to change in inherited traits over many generations
population all of the members of the same species living in the same area at the same time
predator an animal that hunts and eats other animals
prey an animal that is hunted and eaten by a predator
environment all the living and nonliving things around an organism that affects its life
evolution the change in inherited traits of populations over many generations
decomposers organisms, such as fungi and many bacteria, that break down dead organisms and waste, returning nutrients to the environment
extinction the permanent disappearance of a species when all its members have died
climate the usual pattern of weather in a place over a long period of time
hibernate to spend a period in a state of greatly reduced activity and energy use, often during cold weather when food is scarce
blomes large regions of earth with similar climates and typical plants and animals, such as deserts, grasslands, and tundre
fitness (in natural selection) how well an organism survives and reproduces in its environment, passing its inherited traits to the next generation.
Created by: user-2007347
 

 



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