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7th gr Adaptations

TermDefinition
DNA holds the “blueprint” for life; contains all the genetic material for an organism
genes small sections of DNA that code for proteins which determine traits
traits characteristics or an organism; the phenotype based on the genotype
offspring the children of parents; the next generation after parents
genetic variation organisms in a population have different codes for the same traits
generation time between the birth of an organism(s) until that organism(s) has offspring
population two or more of the same kind of organisms; i.e. human population
Selective breeding/artificial selection humans choosing organisms with particular characteristics to breed together and produce offspring with more desirable traits
breed organisms within a species that have a distinctive (special) appearance; i.e. great danes
advantages to artificial selection provide improvement to plants and animals; fruits can become seedless, vegetables can taste better, yields can be higher; new breeds
disadvantages to artificial selection can cause other health problems, genetic problems, obesity
natural selection a process of change over generations; survival of the fittest; best adapted survive and reproduce; nature driven process
survival to live; to continue living
adaptation a trait that increases an organism’s ability to survive in its environment
environment natural world; surroundings
reproduction process of making offspring; can be asexual or sexual
fitness ability to adapt and pass on those adaptable traits to the next generation
Created by: NEISDSci
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