Match the terms to their definition. 1. biome the change of a substance from a gas to a liquid 2. condensation an organism which breaks down dead matter into chemical nutrients 3. consumer a series of steps that illustrates the flow of energy from one organism to the next 4. decomposer the change of a substance from a liquid to a gas 5. evaporation major ecological grouping of plants and animals 6. food chain an organism that eats food made by another organism

Who was the first female secretary of state?

When should you question a sources credibility

What is the difference between an observational study and an​ experiment? choose the correct answer below. a. in an​ experiment, a treatment is applied to part of a population and responses are observed. in an observational​ study, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. b. in an​ experiment, a treatment is applied to an entire population and responses are observed. in an observational​ study, a researcher measures characteristics of interest of an entire population but does not change existing conditions. c. in an​ experiment, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. in an observational​ study, a treatment is applied to part of a population and responses are observed. d. in an​ experiment, a researcher measures characteristics of interest of an entire population but does not change existing conditions. in an observational​ study, a treatment is applied to an entire population and responses are observed.