.food chains & food webs. ISN page 169. 169. f ood chains & food webs. Food Chain Food Web Arrows? Producers Consumers Primary Secondary Tertiary Pyramid of Biomass Rule:. Food C hain. A simple diagram that shows one part of an ecosystem.
ISN page 169.
1. What happens to matter within a food chains?
2. What happens to energy within a food chain?
3. In a pyramid of numbers, what would you not expect to find ?
4. What is the carbon cycle?
5. What is a niche? Give an example.
6. What is an abiotic factor of an ecosystem?
7. What are ecosystems based on?
8. What do food producers need to make sugar?