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Science Concepts and Evidence

Grade 7 · Stretch challenge · 8 questions · Version PG-1QR634W-1WPT

1.

What is the basic unit of life?A. Maintaining stable internal conditions B. Chloroplasts C. The cell D. Break down dead matter and recycle nutrients

2.

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

3.

What does natural selection favor?A. Heritable traits that improve reproductive success B. Break down dead matter and recycle nutrients C. The cell D. Chloroplasts

4.

What is homeostasis?A. Genes carry instructions that influence traits B. Maintaining stable internal conditions C. Chloroplasts D. Break down dead matter and recycle nutrients

5.

What do decomposers do?A. Chloroplasts B. Break down dead matter and recycle nutrients C. An organism that makes its own food D. The cell

6.

Where does photosynthesis occur in plant cells?A. Break down dead matter and recycle nutrients B. Chloroplasts C. Genes carry instructions that influence traits D. Maintaining stable internal conditions

7.

What limits population growth?A. An organism that makes its own food B. Chloroplasts C. The cell D. Resources and environmental conditions

8.

How do genes relate to traits?A. Break down dead matter and recycle nutrients B. An organism that makes its own food C. Genes carry instructions that influence traits D. Maintaining stable internal conditions

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 10
  1. What is the basic unit of life?The cell
  2. What is a producer?An organism that makes its own food
  3. What does natural selection favor?Heritable traits that improve reproductive success
  4. What is homeostasis?Maintaining stable internal conditions
  5. What do decomposers do?Break down dead matter and recycle nutrients
  6. Where does photosynthesis occur in plant cells?Chloroplasts
  7. What limits population growth?Resources and environmental conditions
  8. How do genes relate to traits?Genes carry instructions that influence traits

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.