Biology 1101 Test 1 with Questions and Answers

Biology 1101 Test 1 with Questions and Answers How are prokaryotic and eukaryotic cells similar/different? How are animal and plant cells similar/different? ANSWER pro- single-celled organisms whose cells have no nucleus; flagella for movement euka- multi-celled organisms with a nucleus; animal cells- Lysosomes, centrioles plant cells- cell wall, chloroplasts, central vacule What is the difference between discovery science and hypothesis driven science? ANSWER discovery- inductive reasoning, observations hypothesis- deductive reasoning, experiments What is evolution? Natural selection? ANSWER Natural Selection is a tool used in Evolution. N.S. causes a change in allele frequency by only allowing the strongest and most fit for survival to reproduce. Evolution is the change of the genes of a specific species over a long period of time. What are the levels of biological organization? ANSWER Biosphere, ecosystem, community, population, organism, organ system, organ, tissue, cell, organelle, molecule, atom What are the major elements that make up 96% of your body? ANSWER OXYGEN, CARBON, HYDROGEN, NITRGOEN