Fourth graders investigate food chains. They review cycles and discuss ecosystems. They select an environment and create a food chain in small groups. They write their food chain and label it for the class to evaluate. They create...

Ninth graders complete a unit of lessons on ecosystems, organism interactions, and energy flow. They create a key for known species of fish, diagram the movement of energy through an ecosystem, and create and present food chains and food...

Students, in groups, create a slide show about the ecosystem and answer critical thinking questions based on their research.

Students identify the main concepts and ideas of the nitrogen cycle. They review key concepts covered up to this point in ecology including food chains, food webs, energy pyramids, and bio-geochemical cycles.

Students identify various animals and their habitats, as well as their specific traits In this animal habitat instructional activity, students list animals they've seen in their backyard. Students select one animal and do research....