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Food Chains
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Food Chains

Every living thing is part of an ecosystem. Food chains, food webs, and energy pyramids can be helpful tools for understanding how the living things in an ecosystem depend on each other for the energy they need to perform daily activities. This unit helps students explore the roles that organisms play within an ecosystem, whether as producers, consumers, or decomposers. This unit explains the importance of predator-prey relationships and the differences among herbivores, carnivores, and omnivores. Students will learn about relationships among species as they compete for resources in order to survive. Finally, the unit explores ways that ecosystems can be threatened due to changes.

FOCUS Books

Supporting Materials

Show Me Only
Activities
Additional Reading
Comprehension Support
Vocabulary

Science Videos

A Bear Down Under (no audio)
Grizzly Bears Compete with a Wolf
In the Zone - Phytoplankton
Marine Food Web (no audio)
The Ocean's Green Machines
Worms Are Decomposers (no audio)

Career Files

Ecologist; Ornithologist; Rice Agronomist

Quick Reads

Dark, Hot, and Hostile
low
Dark, Hot, and Hostile
mid
Dark, Hot, and Hostile
high
Invasion of the Zebra Mussels
low
Invasion of the Zebra Mussels
mid
Invasion of the Zebra Mussels
high

Reading A-Z Books

The Amazing Undersea Food Web - Level X

Retelling Rubrics

Nonfiction Retelling Rubric

Vocabulary Cards

Food Chains

Word Work

Matching; Fill in the Blank; Suffixes

Book Assembly