Helpful Bacteria

Helpful Bacteria

We need bacteria to survive. Bacteria can be used to make foods and medicines. Bacteria play an important role in animal digestion. Bacteria recycle nutrients in the environment.

CK-12 (Middle School)

ESSENTIAL QUESTION:

How is bacteria essential to human survival?
STANDARDS:
RST.2 - Main Ideas

DEPTH OF KNOWLEDGE (DOK) LEVELS:

2
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