Standard
- TX.112.15.
- Science, Grade 4.
- (4.9)
- Organisms and environments. The student knows and understands that living organisms within an ecosystem interact with one another and with their environment. The student is expected to:
- 4.9 (B)
- Describe the flow of energy through food webs, beginning with the Sun, and predict how changes in the ecosystem affect the food web such as a fire in a forest.