Texas Essential Knowledge and Skills (TEKS)
§112.14. Science, Grade 3, Adopted 2017 – The provisions of §§112.11-112.16 of this subchapter shall be implemented by school districts beginning with the 2018-2019 school year.
(b). Knowledge and skills.
(9). Organisms and environments. The student knows and can describe patterns, cycles, systems, and relationships within the environments. The student is expected to:
(B). identify and describe the flow of energy in a food chain and predict how changes in a food chain affect the ecosystem such as removal of frogs from a pond or bees from a field