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Chapter 25 Vocab P.7

Science Vocabulary

Features of the environment that are alive or were once alive Biotic
nonliving, physical features of the environment,including air, water,sunlight, soil, temperature, and climate. Abiotic
Air surrounding Earth. 78% Nitrogen, 21% oxygen, 0.03% Carbon Dioxide. Atmosphere
Mixture of rock, and mineral particles, the remains of dead organisms,air and water that forms the topmost layer of the Earth's crust and supports plant growth. Soil
average weather conditions over time, wind, temperature, and rainfall/precipitation. Climate
Process when liquid changes to gas. Evaporation
Process when gas changes to liquid. condensation
Model that describes how water moves from Earths surface to the atmosphere and back through: condensation, evaporation, and precipitation. Water cycle
Process when bacteria in the soil, change nitrogen gas, into a form that plants can use. Nitrogen fixation
Model describing how nitrogen moves from the atmosphere, to the soil, to living organisms, and back to the atmosphere. Nitrogen cycle
Model describing how carbon moves between the living and nonliving world. Carbon Cycle
Process when producers make energy rich molecules, through chemicals. Chemosynthesis
Model showing the complex feeding relationships, among organisms in the community. Food Web
Model that shows the amount of energy available at each feeding level in an ecosystem. Energy pyramid
Created by: Morgan K