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Science Concepts and Evidence

Grade 7 · Building confidence · 8 questions · Version PG-519XW8-15XI

1.

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

2.

What is the basic unit of life?A. Maintaining stable internal conditions B. The cell C. Genes carry instructions that influence traits D. Resources and environmental conditions

3.

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

4.

Where does photosynthesis occur in plant cells?A. Maintaining stable internal conditions B. Chloroplasts C. The cell D. An organism that makes its own food

5.

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

6.

What is a producer?A. An organism that makes its own food B. Heritable traits that improve reproductive success C. Break down dead matter and recycle nutrients D. Chloroplasts

7.

How do genes relate to traits?A. Break down dead matter and recycle nutrients B. Genes carry instructions that influence traits C. Heritable traits that improve reproductive success D. Maintaining stable internal conditions

8.

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