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Natural Selection

Vocab

TermDefinition
Charles Darwin A scientist who made the theory of evolution after studying how living things change 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 Where an organism lives.
Natural Selection The process in which organisms with helpful inherited traits are more likely to survive and reproduce, passing the traits to the offspring.
Hypothesis A possible explanation or prediction that can be tested through investigation or evidence.
Varitation 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 inherited traits over many generations.
Population All the members of the same species living in the same area at the same time.
Predator An animal that hunts and eats other species.
Prey An animal that is hunted and eaten by a predator.
Environment All the living and nonliving things around an organism that affect 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 s species when all of 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 limited.
Biomes Large regions of Earth with similar climates and typical plants and animals, such as deserts, grasslands, and tundra.
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-2007345
 

 



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