Posters focusing on food chains, food webs, and energy pyramids show students how energy moves through an ecosystem and the interactions between organisms within it. Cycle models show how matter flows through organisms and the physical environment. Includes 4 posters. Each poster measures 17" x 22".

• Decorate and educate with these four 17" x 22" posters
• Posters feature activity sheets on the back of the posters and includes a teacher's guide
• Great to brighten any classroom