Natural Selection Vocabulary

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Vocabulary for unit
Trevor McKeown
Fichas por Trevor McKeown, actualizado hace 9 meses
Trevor McKeown
Creado por Trevor McKeown hace 9 meses
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Abiotic Not associated with or derived from living organisms. Abiotic factors in an environment include such items as sunlight, temperature, wind patterns, and precipitation.
Biotic Consisting of living organisms. (Plants, animals, etc.)
Artificial Selection the process by which humans choose individual organisms with certain phenotypic trait values for breeding.
Adaptation an inherited trait that improves the survival of a species
Competition Since resources such as food, water, and space are limited, offspring must compete for the resources for survival. Individuals with a trait that gives them a competitive advantage are more likely to reproduce.
Crossbreed an animal or plant that's a mixture of two different breeds or types.
Favorable trait traits that promote an organism's success in a particular environment.
Generation All of the offspring that are at the same stage of descent from a common ancestor. Mothers and daughters represent two separate generations.
Genetic Variation There are differences among individuals within the same species. Traits that are more favorable to a species are more likely to be passed on from generation to generation, increasing the species' chances of survival.
Overproduction If a species produces more offspring than the environment can support, many of the offspring will not survive into adulthood.
Population A group of organisms of the same species located within the same geographical location.
Species A group of similar organisms that can breed and produce fertile offspring.
Survival of the Fittest the principle that animals and plants sutied to the conditions they live in are more likely to stay alive and produce other animals and plants than those that are not suited.
Trait a characteristic or quality of an organism (generally determined)
Biome areas of the earth that have similar plants, animals, and climates. Biomes are often grouped into five main types: aquatics, deserts, forests, grasslands, and tundra.
Fitness describes an individual's reproductive success and reflects how well an organism is adapted to its environment and to pass on its genes.
Selective Breeding The process of selecting a few organisms with desired traits to serve as parents of the next generation
Evolution The gradual change and diversification of living organisms over time.
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