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Science Concepts and Evidence

Grade 7 · On-level practice · 8 questions · Version PG-1R79L5T-FR8G

1.

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

2.

How do genes relate to traits?A. An organism that makes its own food B. Chloroplasts C. Heritable traits that improve reproductive success D. Genes carry instructions that influence traits

3.

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

4.

What limits population growth?A. Resources and environmental conditions B. Break down dead matter and recycle nutrients C. Maintaining stable internal conditions D. Heritable traits that improve reproductive success

5.

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

6.

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

7.

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

8.

What is homeostasis?A. An organism that makes its own food B. Heritable traits that improve reproductive success C. Resources and environmental conditions 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 17
  1. What is the basic unit of life?The cell
  2. How do genes relate to traits?Genes carry instructions that influence traits
  3. What do decomposers do?Break down dead matter and recycle nutrients
  4. What limits population growth?Resources and environmental conditions
  5. What does natural selection favor?Heritable traits that improve reproductive success
  6. What is a producer?An organism that makes its own food
  7. Where does photosynthesis occur in plant cells?Chloroplasts
  8. What is homeostasis?Maintaining stable internal 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.