Teach students how differences within a population can affect
survival as environments change. This TEKS-aligned resource helps
students connect variation to real-life scenarios and explain
advantages and disadvantages using clear cause-and-effect reasoning.

What’s Included

• Informarion Gap Exercise

• Short answer Exercise

• Exit tickets

Concepts Covered (TEKS 6.13C)

• Defining variation
  within a population

• Explaining how variations can
  be an advantage or disadvantage

• Connecting environmental
  changes to survival outcomes

• Using scenario-based evidence
  to justify conclusions

How It’s Useful

• Perfect for ecology and
  evolution foundations in middle school

• Great for discussion, writing
  practice, and quick assessment

• Exit tickets provide fast
  formative data for reteaching

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