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DSHS Ch. 13 vocabulary
Terms in this set (20)
The study of the interactions among living things, and between living things and their surroundings.
A group of different species that live together in one area.
Includes all of the organisms as well as the climate, soil,water,rocks,and other non living things in a given area
A major regional or global community of organisms.
The assortment, or variety,of the living things in an ecosystem
A species that has an unusually large effect on its ecosystem
The process by which an organism forms carbohydrates using chemicals, rather than light, as an energy source
A sequence that links species by their relationships
Organisms that eat detritus, or dead organic matter
A consumer that primarily eats on specific organism or feeds on a very small variety of organisms
Consumers that have a varying diet
The levels of nourishment in a food chain
A model that shows the complex network of feeding relationships and the flow of energy within and sometimes beyond an ecosystem
The circular pathway of water on earth for the atmosphere, to the surface, below ground and back
The movement of a particular chemical through the biological and geological or living and nonliving, parts of an economic
A process by which gaseous nitrogen is converted into ammonia
A measure of the total dry mass of organisms in a given area
A diagram that compares energy used by producers primary consumers, and other tropic levels
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