ATI TEAS EXAM-LIFE SCIENCE QUESTIONS WITH CORRECT ANSWERS

The eight levels of taxonomy hierarchy (biological classification system): Correct Answer - Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species. What does the domain level consist of? Correct Answer - Archea, Eukarya, and Eubacteria. ***Eukarya consists of: animailia, fungi, plantae, and protista. *** Archea consists of: archeabacteria. ***Eubacteria consists of: eubacteria. Binomial nomenclature: Correct Answer - Used when classifying individual species, the Latin name of the genus and species is written in Italiacs with the genus name capitalized and the species not capitalized. Natural selection: Correct Answer - Occurs when some individuals of a species are better able to survive in their environment and reproduce than others; also known as "survival of the fittest". Genes: Correct Answer - Stretches of DNA on a chromosome that provide information for an organism's characteristics; are responsible for heredity. Alleles: Correct Answer - Different forms of genes in which some contain one or more mutations. Mutations: Correct Answer - Changes in the DNA that affect the way a gene functions.