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Decomposers are a necessary part of a healthy ecosystem because they
return nutrients to the environment so matter and energy can begin another cycle.
Biotic factors
consumers; producers
Energy flows both ways between living systems and the physical environment.
mutualism
a food chain
feeding level
feeding on photosynthetic organisms or other consumers.
The Egyption Plower bird gets a free meal by hunting the leeches on the crocodile, and the crocodile in turn gets rid of its leeches. What is the best description for such a relationship?
return nutrients to the environment so matter and energy can begin another cycle.
Biotic factors
consumers; producers
Energy flows both ways between living systems and the physical environment.
mutualism
a food chain
feeding level
feeding on photosynthetic organisms or other consumers.
The living aspects of the environment including organisms of the same and different species are called:
return nutrients to the environment so matter and energy can begin another cycle.
Biotic factors
consumers; producers
Energy flows both ways between living systems and the physical environment.
mutualism
a food chain
feeding level
feeding on photosynthetic organisms or other consumers.
The energy for life comes primarily from the Sun. Consumers in an ecosystem get their energy indirectly from the Sun by
return nutrients to the environment so matter and energy can begin another cycle.
Biotic factors
consumers; producers
Energy flows both ways between living systems and the physical environment.
mutualism
a food chain
feeding level
feeding on photosynthetic organisms or other consumers.
A trophic level represents a _________.
return nutrients to the environment so matter and energy can begin another cycle.
Biotic factors
consumers; producers
Energy flows both ways between living systems and the physical environment.
mutualism
a food chain
feeding level
feeding on photosynthetic organisms or other consumers.
Which of the following is true about the flow of energy within ecosystems?
return nutrients to the environment so matter and energy can begin another cycle.
Biotic factors
consumers; producers
Energy flows both ways between living systems and the physical environment.
mutualism
a food chain
feeding level
feeding on photosynthetic organisms or other consumers.
Herbivores and carnivores are _________, but plants and algae are __________.
return nutrients to the environment so matter and energy can begin another cycle.
Biotic factors
consumers; producers
Energy flows both ways between living systems and the physical environment.
mutualism
a food chain
feeding level
feeding on photosynthetic organisms or other consumers.
Grass -- Grasshopper -- Mockingbird represents __________.
return nutrients to the environment so matter and energy can begin another cycle.
Biotic factors
consumers; producers
Energy flows both ways between living systems and the physical environment.
mutualism
a food chain
feeding level
feeding on photosynthetic organisms or other consumers.
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