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Science Concepts and Evidence

Grade 7 · Stretch challenge · 8 questions · Version PG-19LZXG5-1WPT

1.

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

2.

What do decomposers do?A. Heritable traits that improve reproductive success B. The cell C. Resources and environmental conditions D. Break down dead matter and recycle nutrients

3.

How do genes relate to traits?A. Heritable traits that improve reproductive success B. Genes carry instructions that influence traits C. The cell D. Chloroplasts

4.

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

5.

What is a producer?A. Genes carry instructions that influence traits B. Maintaining stable internal conditions C. Resources and environmental conditions D. An organism that makes its own food

6.

What is homeostasis?A. Maintaining stable internal conditions B. Genes carry instructions that influence traits C. Heritable traits that improve reproductive success D. An organism that makes its own food

7.

What is the basic unit of life?A. Genes carry instructions that influence traits B. Break down dead matter and recycle nutrients C. The cell D. An organism that makes its own food

8.

Where does photosynthesis occur in plant cells?A. Maintaining stable internal conditions B. Chloroplasts C. The cell D. Break down dead matter and recycle nutrients

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

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.