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5th Grade

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Worksheet for 2026-09-14

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📖 How Antibiotic Resistance Develops

Bacterial populations contain genetic variation. An antibiotic may kill susceptible bacteria while resistant ones survive. Survivors reproduce and pass resistance traits to descendants. Misuse and overuse of antibiotics can increase selection for resistant bacteria.

1. What key idea begins the explanation?

 

2. What mechanism or supporting detail is described?

 

3. What additional evidence or effect is given?

 

4. How does the final detail deepen the explanation?

 

✏️ Writing

Write 1–2 developed paragraphs explaining how antibiotic resistance develops. Use evidence and cause-and-effect reasoning.

➕ Math

1. 6.5 + 6.2 = ______
2. 17.5 − 6.2 = ______
3. Which is greater: 6.5 or 6.2? ______
4. Write 7/10 as a decimal: ______

🎨 Color & Create

Create a labeled model or diagram that explains how antibiotic resistance develops.

View Answer Key

📖 Reading Answers

  1. Bacterial populations contain genetic variation.
  2. An antibiotic may kill susceptible bacteria while resistant ones survive.
  3. Survivors reproduce and pass resistance traits to descendants.
  4. Misuse and overuse of antibiotics can increase selection for resistant bacteria.

➕ Math Answers

  1. 12.7
  2. 11.3
  3. 6.5
  4. 0.7

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