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chpt 18.3

QuestionAnswer
an organism that can make organic molecules from inorganic molecules; a photosynthetic or chemosynthetic autotroph that serves as the basic food source in an ecosystem Producer
the production of carbohydrates through the use of energy from inorganic molecules instead of light Chemosynethsis
the total amount of organic material that the autotrophic organisms of an ecosystem produce gross primary productivity
plant material, manure, or any other organic matter that is used as an energy source biomass
the total amount of organic material that the autotrophic organisms of an ecosystem produce net primary productivity
an organism that eats other organisms or organic matter instead of producing its own nutrients or obtaining nutrients from inorganic sources consumer
an organism that eats only plants herbivore
an organism that eats animals carnivore
an organism that eats both plants and animals omnivore
a consumer that feeds on dead plants and animals detritvore
an organism that feeds by breaking down organic matter from dead organisms; examples include bacteria and fungi decomposer
trophic level
the pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms food chain
a diagram that shows the feeding relationships between organisms in an ecosystem food web
Created by: eippertb16
 

 



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