Across
- 4. word to describe levels in a food chain or food web
- 7. this type of pyramid shows individual organisms
- 8. ecological pyramids model energy and matter flow from what
- 9. you divide by this number for each level on an energy pyramid
- 10. make up the first trophic level
Down
- 1. in architecture, this piece forms the middle of the arch so if it falls the whole arch falls
- 2. the total amount of living tissue within a trophic level
- 3. this type of pyramid shows the weight of living things
- 5. make up the rest of the trophic levels
- 6. this type of pyramid shows the energy at each level