Observe and describe the physical characteristics of environments and how they support populations and communities of plants and animals within an ecosystem;
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; and
The student knows that organisms undergo similar life processes and have structures that help them survive within their environments. The student is expected to:
Investigate and compare how animals and plants undergo a series of orderly changes in their diverse life cycles such as tomato plants, frogs, and lady beetles.