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Details Title: Biology Description: 1/12/04 Test 1 Total Flash Cards: 40 Created: 02/16/2004 08:24:45	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term Biology Definition The study of living things. Term Ecosystem Definition Community plus physical environment Term Organelles Definition Membrane-bound internal compartments for specialized reactions. Term Biosphere Definition All regions of the earth that sustain life. Term Organ Definition Structural unit in which combinations of tissues work together. Term Tissue Definition Organized aggregations of cells and substances working together. Term Community Definition Populations of all species in the same area. Term Population Definition Group of individuals of the same type in the same area. Term Multicelled organism Definition An individual consisting of interdependent cells. Term Organ system Definition Two or more organs working together. Term Consumers Definition _______ use the food energy stored in producers; animals. Term Producers Definition Organisms that use the energy of the sun to make their own food; plants. Term Subatomic particle Definition Electron, proton, neutron Term Molecule Definition Two or more atoms bound together Term Atom Definition Smallest unit of an element. Term Metabolism Definition The ability to capture and use raw materials. Term Cell Definition Smallest unit with the capacity to live and reproduce independently or as a part of a multi-celled organism. Term 1, The ability to capture and use raw materials. 2. The ability to sense and respond. 3. The ability to reproduce. 4. The ability to evolve. Definition What are the 4 characteristics of living things? Term Species Definition A kind of living thing. Term Carolus Linnaeus Definition Who invented the binomial system of classification in 1753? Term 1. Domain 2. Kingdom 3. Phylum (phyla) 4. Class 5. Order 6. Family 7. Genus (genera) 8. Species Definition List the 8 catagories of classification from most inclusive to least inclusive. Term 1. Archaea 2. Bacteria 3. Eukarya Definition What are the 3 domains of living things? Term 1. Archaebacteria 2. Eubacteria 3. Protistans 4. Fungi 5. Plants 6. Animals Definition List the 6 kingdoms. Term Eukaryotic Definition Has a nucleus. Term Prokaryotic Definition Has no nucleus. Term DNA Definition A molecule (nucleic acid) which carries the blueprint for living things. Term Inheritance Definition The aquisition of traits through the transmission of DNA from parents to offspring. Term Reproduction Definition The mechanism of transmitting DNA from parent to offspring. Term Gamete Definition A reproductive cell. Term Mutation Definition A heritable change in DNA. For a mutation to be heritable, it must occur in a gamete. Term Variation Definition The range of traits which occurs in a populations as a result of mutation. Term Adaptive traits Definition A particular trait that helps an individual survive and reproduce. Term Evolution by natural selection Definition Change in a population of organisms over many generatoins when the environment favors individuals with adaptive traits. Term Artificial Selection Definition The change in a population of organisms that occurs over many generations in an artificial environment. Term Logic Definition A consistant mode of thinking where the evidence supports the conclusion. Term Inductive logic Definition Make a general statement from specific observations specific ---> general Term Deductive logic Definition Make a specific prediction from general observations general ---> specific Term Control group Definition A standard group to which experimental groups are compared. Term Sampling error Definition Error associated with subsets of groups that are not representative of the entire group. Term Scientific theory Definition A hypothesis supported by many rigorous tests and disproved by none.