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Texas Essential Knowledge and Skills Teaching Resources

Science 1.9

Organisms and environments. The student knows that the living environment is composed of relationships between organisms and the life cycles that occur. The student is expected to:

  • (1) sort and classify living and nonliving things based upon whether they have basic needs and produce offspring;
    • (A) analyze and record examples of interdependence found in various situations such as terrariums and aquariums or pet and caregiver; and
    • (B) gather evidence of interdependence among living organisms such as energy transfer through food chains or animals using plants for shelter.