Internal and External Structures
Construct an argument that plants and animals have internal and external structures that function to support survival, growth, behavior, and reproduction.

Sensation, Processing, and Response
Use a model to describe that animals receive different types of information through their senses, process the information in their brain, and respond to the information in different ways.

Light and Vision
Develop a model to describe that light reflecting from objects and entering the eye allows objects to be seen.