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Natural Selection

from Amplify curriculum

TermDefinition
adaptive trait a trait that makes it more likely that an individual will survive in a specific environment
ancestor a related organism from a previous generation
camouflage a way of hiding by looking the same as the background
chromosome a long piece of DNA that contains many genes
distribution the number of individuals with each trait in a population
environment everything (living and nonliving) that surrounds an organism
feature a characteristic that all members of a species have
gene an instruction for making a protein molecule
generation a group of individuals born and living at about the same time
histogram a graph that uses bars to show how characteristics or values are distributed within a group
inherit to receive genes from a parent
mutation a random change to a gene that sometimes results in a new trait
natural selection the process by which the distribution of traits in a population changes over many generations
non-adaptive trait a trait that makes it less likely that an individual will survive in a specific environment
offspring an organism produced as a result of reproduction
organisms living things, such as plants, animals, and bacteria
population a group of the same type of organism living in the same area
selection pressure something in the environment that affects an individual's chances of surviving
species a group of organisms of the same kind (in one or more populations) that do not reproduce with organisms from any other group
trait a specific characteristic of an individual organism
variation any difference in traits between individual organisms
Created by: ms.sizemore
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