List I | List II |
A. Primary consumers | I. Top carnivore |
B. Tertiary consumers | II. Herbivore |
C. Producers | III. Carnivore |
D. Secondary consumers | IV. Plants |
A. | The base of each pyramid represents the producers or the first trophic level while the apex represents tertiary or top-level consumer |
B. | The pyramid of energy is always upright |
C. | A given species can occupy only one trophic level in the same ecosystem at the same time |
D. | The pyramid of number in tree ecosystem is upright |
E. | Saprophytes are not given any place in ecological pyramids |