Science crossword

1. a hierarchical series of organisms each dependent on the next as a source of food
6. The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
8. levels each of several hierarchical levels in an ecosystem, comprising organisms that share the same function in the food chain
9. only about 10 percent of the energy stored as biomass in a trophic level is passed from one level to the next.
10. pyramid- is a model that shows the flow of energy from one trophic, or feeding, level to the next in an ecosystem

2. Make their own food
3. the total quantity or weight of organisms in a given area or volume.
4. a system of interlocking and interdependent food chains.
5. the capacity to do work. It may exist in potential, kinetic, thermal, chemical, nuclear, or other forms
7. an organism deriving its nutritional requirements from complex organic substances.