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100
This word describes any nonliving aspects of an environment.
What are Abiotic Factors?
100
This is the physical environment in which a species lives and to which it is adapted.
What is a habitat?
100
These are organisms that use energy from chemical compounds to make food by chemosynthesis.
What are chemoautotrophs?
100
This is the total mass of organisms at a trophic level.
What is biomass?
200
Biotic or abiotic?
What is biotic?
200
This is why two species can not inhabit the same niche for very long.
What is the competitive exclusion principle?
200
This is a food _________ .
What is a food chain?
200
This is the percentage of energy that travels from one trophic level to the next.
What is 10%?
300
Define niche.
What is the role of a species in its ecosystem?
300
These are the TWO ways energy can enter an ecosystem.
What are sunlight and chemical compounds?
300
Herbivore, carnivore, or omnivore?
What is a carnivore?
300
Define trophic levels.
What are the feeding positions in a food chain or web?
400
Most ecosystems get energy from this source.
What is sunlight?
400
Describe this animal's habitat.
What is a tropical rainforest?
400
Define producer.
What is an organism that makes food for itself and other organisms?
400
This is where most of the energy goes (what is not passed to the next trophic level).
What is released as heat or used for metabolic processes?
500
This is the word used to describe ecosystems that need constant inputs from the environment.
What is open?
500
Where does this creature get energy directly from?
What is by eating plants that store energy?
500
This type of decomposer includes sea cucumbers and catfish.
What are detritivores?
500
In this image, who would be in the second trophic level (primary consumers)?
What are the mouse, rabbit, and goat?