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Matter Ecosystems

7th Grade Life Science Matter Transfer in Ecosystems

QuestionAnswer
Anything that has mass and takes up space. matter
The ability to do work and enables organisms to use matter in life processes. energy
Law of science that states that energy cannot be created or destroyed, but changes forms. Law of Conservation of Energy
Law of science that states that mass cannot be created or destroyed, instead matter moves through the environment in different forms. Law of Conservation of Mass
A tool that can be used to trace the flow of energy though an ecosystem. energy pyramid
The movement of water between the oceans, atmosphere, land and living things . water cycle
The movement of nitrogen between the environment and living things. nitrogen cycle
Bacteria in soil changes the gaseous form of nitrogen into a form that plants can use. nitrogen fixation
The series of processes by which carbon is moved throughout an ecosystem. carbon cycle