Chapter 3-2 Energy Flow
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16 terms
English | Photos |
|---|---|
Autotroph | ![]() •Any organism that can synthesize its food from inorganic substances, using heat or light as a source of energy |
Producer | ![]() are responsible for the production of organic compounds from atmospheric or aquatic carbon dioxide. |
Photosynthesis | ![]() The synthesis of complex organic material using carbon dioxide, water, inorganic salts, and light energy (from sunlight) captured by light-absorbing pigments, such as chlorophyll and other accessory pigments |
Chemosynthesis | ![]() Process by which some organisms, such as certain bacteria, use chemical Energy to produce carbohydrates |
Heterotroph | ![]() An organism that is unable to synthesize its own organic carbon-based compounds from inorganic sources, hence, feeds on organic matter produced by, or available in, other organisms |
Consumer | ![]() An organism that generally obtains food by feeding on other organisms or organic matter due to lack of the ability to manufacture own food from inorganic sources; a heterotroph |
Herbivore | ![]() An animal that consumes herbaceous vegetation. Any animal that feeds chiefly on grass and other plants; horses are herbivores; the sauropod dinosaurs were apparently herbivores |
Carnivore | ![]() An animal or plant (particularly insect- and invertebrate-eating plants) that requires a staple diet consisting mainly or exclusively of animal tissue through predation or scavenging |
Omnivore | ![]() An animal that feeds on both plants and animals to survive |
Detritvore | ![]() An organism that feeds on detritus or organic waste. |
Decomposer | ![]() ecology) An organism whose ecological function involves the recycling of nutrients by performing the natural process of decomposition as it feeds on dead or decaying organisms |
Food Chain | ![]() A feeding hierarchy in which organisms in an ecosystem are grouped into trophic (nutritional) levels and are shown in a succession to represent the flow of food energy and the feeding relationships between them |
Food Web | ![]() interconnecting food chains in an ecological community |
Trophic Level | ![]() A position in a food chain or Ecological Pyramid occupied by a group of organisms with similar feeding mode. |
Ecological Pyramid | ![]() A graphical representation in the shape of a pyramid to show the feeding relationship of groups of organisms, and the flow of energy or biomass through the different trophic levels in a given ecosystem |
Biomass | ![]() The total mass of all living material in a specific area, habitat, or region |
Flickr Creative Commons Images
Some images used in this set are licensed under the Creative Commons through Flickr.com. Click to see the original works with their full license.
- "Autotroph" image
- "Producer" image
- "Photosynthesis" image
- "Chemosynthesis" image
- "Heterotroph" image
- "Consumer" image
- "Herbivore" image
- "Carnivore" image
- "Omnivore" image
- "Detritvore" image
- "Decomposer" image
- "Food Chain" image
- "Food Web" image
- "Trophic Level" image
- "Ecological Pyramid" image
- "Biomass" image
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