1. it is...
- ...out from the middle
- ...none of these
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Other questions in this quiz
2. the sizes of the blocks have to be...
- in proportion
- equal distance apart
3. What is the biomass of an organism?
- the mass of food it eats
- how much energy it passes on
- the mass of it's body tissue
- it's energy
4. usually no more than...trophic levels
5. what happens to some of the energy?
- it is transferred to heat energy
- it is transferred to sound energy
- it disappears
- it is transferred to chemical energy