PencilGoPencilGo

Science Concepts and Evidence

Grade 7 · Building confidence · 8 questions · Version PG-4HAQIA-15XI

1.

What limits population growth?A. Resources and environmental conditions B. Break down dead matter and recycle nutrients C. Genes carry instructions that influence traits D. An organism that makes its own food

2.

What is homeostasis?A. Heritable traits that improve reproductive success B. Chloroplasts C. The cell D. Maintaining stable internal conditions

3.

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

4.

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

5.

What do decomposers do?A. Break down dead matter and recycle nutrients B. The cell C. Chloroplasts D. Maintaining stable internal conditions

6.

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

7.

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

8.

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

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 9
  1. What limits population growth?Resources and environmental conditions
  2. What is homeostasis?Maintaining stable internal conditions
  3. What is a producer?An organism that makes its own food
  4. Where does photosynthesis occur in plant cells?Chloroplasts
  5. What do decomposers do?Break down dead matter and recycle nutrients
  6. What does natural selection favor?Heritable traits that improve reproductive success
  7. What is the basic unit of life?The cell
  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.