B2.1

demonstrate an understanding of the natural environment as a place where living and non-living things are interconnected

B2.2

identify the basic needs of living things, including the need for air, water, food, heat, shelter, and space

B2.3

identify the physical characteristics of various plants and animals, including humans, and explain how these characteristics help the plants and animals meet their basic needs

B2.4

identify the location and the function of various parts of the human body, including sensory organs

B2.5

describe the characteristics of a healthy environment, including clean air and water and nutritious food, and how a healthy environment enables living things to meet their needs

B2.6

describe ways in which living things provide for the needs of other living things