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What does a food web represent?
Put the following trophic levels in the correct order from most amount of energy at the bottom to the least amount of energy at the top.
Diagram that shows the energy available to each trophic level in an ecosystem; 10% is passed on to upper levels, the rest is lost as heat
The efficiency of energy transfer from a lower trophic level to the next highest level is roughly
Which animal is the apex predator?
The arrows in a food chain or web represents what?
Match the following definitions with the correct term.
Order the following organisms in order of receiving the most amount of energy at the bottom to the least amount of energy at the top.
Which organism do the owl and the weasel compete for in the food web?
Match the following organisms by the amount of energy they receive throughout each trophic level.
Select ALL of the following that organisms use most of the energy for that they receive from food. (4 choices)
Put the following organisms in order from the most amount of energy at the bottom to the least amount of energy at the top on the energy pyramid.
Why do organisms have to keep eating?
What happens as you move up an energy pyramid?