Stack #2537015
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| DNA | deoxyribonucleic acid; hereditary material that controls all the activities of a cell, contains the information to make new cells, and provides instructions for making proteins
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| nucleotide | a subunit of DNA consisting of a sugar, a phosphate, and one of four nitroge consisting of a sugar, a phosphate, and one of four nitrogenous bases
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| adenine | one of the four bases that combined with sugar and phosphate to form a nucleotide subunit of DNA; adenine pairs with thymine
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| thymine | one of the four bases that combine with sugar and phosphate to form a nucleotide subunit of DNA; thymine pairs with adenine
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| quanine | one of the four bases that combine with sugar and phosphate to form a nucleotide subunit of DNA; guanine pairs with cytosine
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| cytosine | one of the four bases that combine with sugar and phosphate to form a nucleotide subunit of DNA; cytosine pairs with guanine
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| ribosome | a small organelle in cells where proteins are made from amino acids
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| mutation | a change in the order of the bases in an organism's DNA; deletion, insertion, or substitution.
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| mutagen | anything that can damage or cause changes in DNA
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| pedigree | a diagram of family history used for tracking a trait through several generations
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| adaption | a characteristic trait that helps an organism survive in its environment
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| species | the most specific of the seven levels of classification; characterized by a group of organisms that can mate with one another to produce fertile offspring
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| evolution | the process by which populations accumulate inherited changes over time
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| fossil | the solidified remains or imprints of a once-living organism
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| fossil record | a historical sequence of life indicated by fossils found in layers of the Earth's crust
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| vestigial structure | the remnant of a once-useful anatomical structure
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| trait | a distinguishing quality that can be passed from one generation to another
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| selective breeding | the breeding of organisms that have a certain desired trait
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| natural selection | the process by which organisms with favorable traits survive and reproduce at a higher rate than organisms without the favorable trait
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| generation time | the period between the birth of one generation and the birth of the next generation
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| speciation | the process by which two populations of the same species become so different that they can no longer interbreed
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Created by:
adrianaseeberger13
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