Bird Beaks

5 The Living Environment

Subchapter D
- Interdependence of Life
  - For Grades: 3-5
    - Learning Goal 1
      - For any particular environment, some kinds of plants and animals thrive, some do not live as well, and some do not survive at all.
Subchapter F
- Evolution of Life
  - For Grades: 3-5
    - Learning Goal 1
      - Individuals of the same kind differ in their characteristics, and sometimes the differences give individuals an advantage in surviving and reproducing.