Levels of Organization
Trophic Levels
100

If I am talking about a community of fish, frogs, and insects, what would I need to add to make it an ecosystem? 



What is a place (Land/Water)

100

How do consumers get their energy?

What is "consumption of organic matter?"

200

What is the largest level of organization?

What is "the biosphere"?

200

Why are there less organisms at higher trophic levels than lower ones?

The amount of energy reduces as you go up 

(What is energy depletion?)

300

What is an ecosystem made of?

What is "biotic and abiotic factors"?

300

If 20,000 units of energy are available at the level of the grass (plant) how much energy will be
available to the snake?

(grass > cricket > mouse > snake)

What is "20 units/joules"?