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Science Concepts and Evidence

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

1.

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

2.

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

3.

Where does photosynthesis occur in plant cells?A. The cell B. Break down dead matter and recycle nutrients C. An organism that makes its own food D. Chloroplasts

4.

What is the basic unit of life?A. Resources and environmental conditions B. The cell C. Maintaining stable internal conditions D. Heritable traits that improve reproductive success

5.

What does natural selection favor?A. Chloroplasts B. Heritable traits that improve reproductive success C. Genes carry instructions that influence traits D. The cell

6.

What is a producer?A. The cell B. Maintaining stable internal conditions C. Resources and environmental conditions D. An organism that makes its own food

7.

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

8.

What limits population growth?A. Resources and environmental conditions B. Chloroplasts C. The cell 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 8
  1. What is homeostasis?Maintaining stable internal conditions
  2. How do genes relate to traits?Genes carry instructions that influence traits
  3. Where does photosynthesis occur in plant cells?Chloroplasts
  4. What is the basic unit of life?The cell
  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. What do decomposers do?Break down dead matter and recycle nutrients
  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.