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What are primary consumers?
organisms that eat plants
Moss
Water from a lake evaporates, forms clouds, and rains back down to earth.
The population of lower level consumers will increase and they will eat too many of the producers.
the sun
rocks, soil, lakes, sunlight, rain
producer
They need to eat a high number of other consumers to get enough energy; energy is lost at each trophic level.
What happens if some of the top consumers are removed from an ecosystem, like the wolves in Yellow Stone?
organisms that eat plants
Moss
Water from a lake evaporates, forms clouds, and rains back down to earth.
The population of lower level consumers will increase and they will eat too many of the producers.
the sun
rocks, soil, lakes, sunlight, rain
producer
They need to eat a high number of other consumers to get enough energy; energy is lost at each trophic level.
Why are there fewer tertiary consumers than producers in an ecosystem?
organisms that eat plants
Moss
Water from a lake evaporates, forms clouds, and rains back down to earth.
The population of lower level consumers will increase and they will eat too many of the producers.
the sun
rocks, soil, lakes, sunlight, rain
producer
They need to eat a high number of other consumers to get enough energy; energy is lost at each trophic level.
The organisms below are all decomposers except
organisms that eat plants
Moss
Water from a lake evaporates, forms clouds, and rains back down to earth.
The population of lower level consumers will increase and they will eat too many of the producers.
the sun
rocks, soil, lakes, sunlight, rain
producer
They need to eat a high number of other consumers to get enough energy; energy is lost at each trophic level.
What trophic level is a maple tree?
organisms that eat plants
Moss
Water from a lake evaporates, forms clouds, and rains back down to earth.
The population of lower level consumers will increase and they will eat too many of the producers.
the sun
rocks, soil, lakes, sunlight, rain
producer
They need to eat a high number of other consumers to get enough energy; energy is lost at each trophic level.
Where does all food energy come from?
organisms that eat plants
Moss
Water from a lake evaporates, forms clouds, and rains back down to earth.
The population of lower level consumers will increase and they will eat too many of the producers.
the sun
rocks, soil, lakes, sunlight, rain
producer
They need to eat a high number of other consumers to get enough energy; energy is lost at each trophic level.
Which is not an example of interaction in an ecosystem?
organisms that eat plants
Moss
Water from a lake evaporates, forms clouds, and rains back down to earth.
The population of lower level consumers will increase and they will eat too many of the producers.
the sun
rocks, soil, lakes, sunlight, rain
producer
They need to eat a high number of other consumers to get enough energy; energy is lost at each trophic level.
Which are examples of nonliving elements of an ecosystem?
organisms that eat plants
Moss
Water from a lake evaporates, forms clouds, and rains back down to earth.
The population of lower level consumers will increase and they will eat too many of the producers.
the sun
rocks, soil, lakes, sunlight, rain
producer
They need to eat a high number of other consumers to get enough energy; energy is lost at each trophic level.
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