11. What are the three main
types of trophic pyramids
studied in Ecology?

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
The three types of pyramids
studied in Ecology the numeric
pyramid, the pyramid and the
energy .

Generally the variable dimension the
pyramid is the , and the height is
the same for each
strata of living beings. width
therefore represents the of
individuals, or the mass of these
individuals the available energy in
trophic level.