Review: Page 37.

B.

1. The lowest trophic level had food nutrients and are used by the organism more to fuel their activities and to build their body tissues.
2. Mutualism- Bee & Flowers
   Commensalism- Lizard & Spider
   Predation- Mice & Snake
   Parasitism- Tick & Carabao
   Competition- Lion & Tiger
3. Balanced Ecosystem- there should be a balanced community of organism and their non living environment. Ecosystems are generally grouped into natural and man made ecosystem. In balanced ecosystem the process that normally take place in nature go on. Balance of nature is maintained. In general in a balance ecosystem the size of a particular prey population is affected by the number of the predators in the area, however this size of a particular predator population cannot increase beyond what each prey population can support.

GROUP 4