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7.5 ABC
Photosynthesis, Cycling of Matter, Energy FLow Through Living Systems
| Question | Answer |
|---|---|
| Radiant Energy | Energy from the Sun that reaches Earth as visible light, ultraviolet light, and infrared radiation (heat) |
| Photosynthesis | A chemical reaction during which plants convert radiation energy from the Sun to chemical energy;v the reaction converts carbon dioxide into sugar (glucose) |
| Chemical Reactions | process by which two or more chemical substances interact and are chemically changed, producing different chemical substances |
| Molecule | the simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically |
| Reactants | a substance that takes part in and undergoes change during a reaction |
| Products | a substance produced during a chemical reaction |
| Glucose | simple carbohydrate; produced by photosynthesis and used to store energy and build structural molecules |
| Atom | the smallest a particle of an element; made of electrons, protons, and neutrons |
| Biomass | material from living or recently living organisms composed of a mixture or hydrogen, carbon, often nitrogen, and small quantities if other atoms |
| Decay | the natural process or result of being slowly broken down or decomposed; mainly done by bacteria and fungi |
| Decomposers | organisms such as bacteria and fungi that breakdown the remains of dead plants and animals; without the need for internal digestion |
| Water Cycle | the movement of water through the atmosphere, the ground, bodies of water, and living things; the continuous movement of water above, on, and below Earth's surface |
| Bacteria | a highly diverse group of single-celled, prokaryotic organisms |
| Fungi | microorganisms important as decomposers; widely distributed and can break down just about any type of organic matter |
| Microorganisms | organisms too small to be seen by the unaided human eye, such as bacteria and fungi |
| Detrivore | an organisms that feeds on and breaks down dead plant or animal matter; includes decomposers as well as larger organisms such as insects and worms, serving as primary consumers on a food chain |
| Carbon Cycle | the cycle by which carbon is exchanged among the soil, biosphere, lithosphere, hydrosphere, and atmosphere of the Earth |
| Nitrogen Cycle | the process by which nitrogen is converted into various chemical forms as it is exchanged among the soil, biosphere, lithosphere, and atmosphere of the Earth |
| Energy Transformation | the change of energy from one form to another |
| Heat | energy transferred between two objects of different temperatures, moving continually in a predictable pattern from wearmer site to cooler site until all sites have reached the same temperature |
| Chemical Energy | energy stored in chemical bonds and released through chemical reactions |
| Digestion | the process of breaking down food into component molecules that can be absorbed into the body and used for energy and nutrients |
| Mechanical Energy | the sum of the potential and kinetic energy of an object |
| Thermal Energy | the total kinetic energy (motion) of tiny particles that make up matter- the faster the particles, the warmer the matter becomes |
Created by:
kendra.young
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