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Energy

energy cycles

TermDefinition
Energy the capacity for vigorous activity; available power
Autotroph any organism capable of self-nourishment by using inorganic materials as a source of nutrients and using photosynthesis or chemosynthesis as a source of energy, as most plants and certain bacteria and protists.
Primary consumers an animal that feeds on plants; a herbivore.
Omnivores an animal that eats meat and plants.
detritus rock in small particles or other material worn or broken away from a mass, as by the action of water or glacial ice.
Photosynthesis the complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates by green plants, algae, and certain bacteria, using energy from the sun and chlorophyll.
Consumer a person or thing that consumes.
Secondary consumers a carnivore that feeds only upon herbivores.
Decomposers an organism, usually a bacterium or fungus, that breaks down the cells of dead plants and animals into simpler substances.
Food Webs a series of organisms related by predator-prey and consumer-resource interactions; the entirety of interrelated food chains in an ecological community.
Producers The first trophic level in a food chain in which it serves as a food source for consumers or for higher trophic levels.
Heterotroph an organism requiring organic compounds for its principal source of food.
Carnivores A meat-eating animal.
Tropohic level It is the levels of the food chain/food web.
Food Chain A feeding hierarchy in which organisms in an ecosystem are grouped into trophic levels and are shown in a succession to represent the flow of food energy and the feeding relationships between them.
Biomass The total mass of all living material in a specific area, habitat, or region.
Herbivores animals that eat plants.
Tertiary consumers a carnivore at the topmost level in a food chain that feeds on other carnivores; an animal that feeds only on secondary consumers.
Cellular respiration The process of cell catabolism in which cells turn food into usable energy in the form of ATP.
Primary Productivity a measure of the rate at which new organic matter is developed through photosynthesis and chemosynthesis in producer organisms based on the oxygen released and carbon taken in; the transformation of chemical or solar energy to biomass
Energy Pyramid a depiction of the amount of energy in each trophic level of an ecosystem.
Biomass Pyramid A graphical representation to show the relative amounts of biomass at each trophic level.
Pyramid of numbers A graphical representation in the form of a pyramid showing the feeding relationship and the number of organisms at each trophic level.
Chrolplast Chlorophyll-containing plastid found within the cells of plants and other photosynthetic eukaryotes.
thylakoid
stroma
Calvin Cycle
photosynthesis
light reactions
chorophyll
Created by: GREROM2
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