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Science Concepts and Evidence

Grade 7 · Stretch challenge · 8 questions · Version PG-1RB5AIU-1WPT

1.

What do decomposers do?A. The cell B. Chloroplasts C. Break down dead matter and recycle nutrients D. Genes carry instructions that influence traits

2.

What does natural selection favor?A. Maintaining stable internal conditions B. An organism that makes its own food C. Heritable traits that improve reproductive success D. The cell

3.

How do genes relate to traits?A. Resources and environmental conditions B. An organism that makes its own food C. Genes carry instructions that influence traits D. The cell

4.

What is the basic unit of life?A. The cell B. An organism that makes its own food C. Heritable traits that improve reproductive success D. Maintaining stable internal conditions

5.

Where does photosynthesis occur in plant cells?A. Chloroplasts B. Resources and environmental conditions C. Genes carry instructions that influence traits D. The cell

6.

What is homeostasis?A. Maintaining stable internal conditions B. Resources and environmental conditions C. The cell D. Genes carry instructions that influence traits

7.

What is a producer?A. Break down dead matter and recycle nutrients B. Genes carry instructions that influence traits C. Maintaining stable internal conditions D. An organism that makes its own food

8.

What limits population growth?A. Resources and environmental conditions B. The cell C. Heritable traits that improve reproductive success D. An organism that makes its own food

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 12
  1. What do decomposers do?Break down dead matter and recycle nutrients
  2. What does natural selection favor?Heritable traits that improve reproductive success
  3. How do genes relate to traits?Genes carry instructions that influence traits
  4. What is the basic unit of life?The cell
  5. Where does photosynthesis occur in plant cells?Chloroplasts
  6. What is homeostasis?Maintaining stable internal conditions
  7. What is a producer?An organism that makes its own food
  8. What limits population growth?Resources and environmental conditions

Worked example

Read the direction, identify the assessed skill, solve or cite evidence, and check the response.

Common mistake

Using a memorized procedure without checking what the question asks.

Helpful hint

Name the standard skill before answering.