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Science Concepts and Evidence

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

1.

What is homeostasis?A. Maintaining stable internal conditions B. Resources and environmental conditions C. The cell D. Chloroplasts

2.

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

3.

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

4.

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

5.

Where does photosynthesis occur in plant cells?A. Break down dead matter and recycle nutrients B. Heritable traits that improve reproductive success C. The cell D. Chloroplasts

6.

What does natural selection favor?A. Break down dead matter and recycle nutrients B. An organism that makes its own food C. Chloroplasts D. Heritable traits that improve reproductive success

7.

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

8.

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

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 19
  1. What is homeostasis?Maintaining stable internal conditions
  2. What do decomposers do?Break down dead matter and recycle nutrients
  3. What is the basic unit of life?The cell
  4. What limits population growth?Resources and environmental conditions
  5. Where does photosynthesis occur in plant cells?Chloroplasts
  6. What does natural selection favor?Heritable traits that improve reproductive success
  7. What is a producer?An organism that makes its own food
  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.