100 500 200 300 400 200 300 400 500 400 300 200 500 400 300 200 500 400 300 200 100 Biology 20: Unit A Food Webs EnergyCyclesPollutionPotpourri.

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Presentation transcript:

Biology 20: Unit A Food Webs EnergyCyclesPollutionPotpourri

Food Webs for 100 Organisms that obtain matter and energy from sunlight or gases such as H 2 S (g) Answer: Autotrophs Back

Food Webs for 200 Organisms that obtain matter and energy by consuming other living things Answer: Heterotrophs Back

Food Webs for 300 Organisms that obtain matter and energy by consuming the remains of dead organisms Answer: Scavengers Back

Food Webs for 400 The trophic level of a 2 nd consumer Answer: third trophic level Back

Food Webs for 500 A naturally occurring metal which causes Minamata Disease through biomagnification Answer: Methyl Mercury Back

Energy for 100 The law that states that when energy transfers occur some amount of energy is lost from the system as heat Answer: Second Law of Thermodynamics Back

Energy for 200 The process by which some bacteria and plants convert solar energy into chemical potential energy Answer: Photosynthesis Back

Energy for 300 The process by which some bacteria make carbohydrates in the absence of light Answer: Chemosynthesis Back

Energy for 400 Energy that is reflected from the surface of the earth Answer: Albedo Back

Energy for 500 A representation of the mass of all living things at each trophic level Answer: Pyramid of Biomass Back

Cycles for 100 The process by which plants remove carbon dioxide from the atmosphere Answer: photosynthesis Back

Cycles for 200 Two processes that return carbon dioxide to the atmosphere Answer: respiration, decomposition, combustion, dissolution Back

Cycles for 300 The process, carried out by bacteria, that converts nitrogen gas into nitrates and nitrites Answer: Nitrogen fixation Back

Cycles for 400 This process allows phosphorus to enter biota from sediments/rock Answer: Weathering/Run-Off Back

Cycles for 500 The movement of water through the roots, stems and leaves of plants Answer: Transipration Back

Pollution for 100 This gas, released during combustion, causes sulfuric acid to form in the atmosphere Answer: sulfur dioxide gas Back

Pollution for 200 These are responsible for destruction of the ozone layer Answer: CFCs Back

Pollution for 300 A device that helps to reduce SO 2 emissions Answer: Scrubbers Back

Pollution for 400 This environmental problem could result in coastal cities being flooded Answer: Global Warming Back

Pollution for 500 This is a model which helps to explain global warming Answer: The Greenhouse Effect Back

Potpourri for 100 Microscopic organisms absorb carbon dioxide in the water and incorporate this material into their shells. Answer: Calcium Carbonate Back

Potpourri for 200 The process by which bacteria in the soil convert nitrates and nitrites into nitrogen gas Answer: Denitrification Back

Potpourri for 300 The process by which water enters the soil from the atmosphere Answer: Precipitation Back

Potpourri for 400 A substance found in animal urine that contains nitrogen Answer: Urea Back

Potpourri for 500 Two major components of fertilize which promote algal growth Answer: Nitrogen and Phosphorus Back