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Science Concepts and Evidence

Grade 12 · Stretch challenge · 8 questions · Version PG-F9FF49-R8U5

1.

What is carrying capacity?A. The variety of life at genetic, species, and ecosystem levels B. A reservoir that absorbs more carbon than it releases C. Thermal expansion and melting land ice D. The largest population an environment can sustain

2.

What is environmental justice?A. The variety of life at genetic, species, and ecosystem levels B. Fair treatment and participation in environmental decisions C. To cross-check reconstructions of past conditions D. A reservoir that absorbs more carbon than it releases

3.

What is biodiversity?A. The variety of life at genetic, species, and ecosystem levels B. Fair treatment and participation in environmental decisions C. The largest population an environment can sustain D. A reservoir that absorbs more carbon than it releases

4.

What is an ecological footprint?A. A reservoir that absorbs more carbon than it releases B. A measure of resource demand and waste impact C. Fair treatment and participation in environmental decisions D. Action that reduces causes or severity of environmental change

5.

Why use multiple climate proxies?A. To cross-check reconstructions of past conditions B. Fair treatment and participation in environmental decisions C. A reservoir that absorbs more carbon than it releases D. The largest population an environment can sustain

6.

What drives sea-level rise?A. Thermal expansion and melting land ice B. Fair treatment and participation in environmental decisions C. To cross-check reconstructions of past conditions D. Action that reduces causes or severity of environmental change

7.

What is mitigation?A. A measure of resource demand and waste impact B. Action that reduces causes or severity of environmental change C. The largest population an environment can sustain D. Thermal expansion and melting land ice

8.

What is a carbon sink?A. A reservoir that absorbs more carbon than it releases B. The variety of life at genetic, species, and ecosystem levels C. Action that reduces causes or severity of environmental change D. To cross-check reconstructions of past 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 2
  1. What is carrying capacity?The largest population an environment can sustain
  2. What is environmental justice?Fair treatment and participation in environmental decisions
  3. What is biodiversity?The variety of life at genetic, species, and ecosystem levels
  4. What is an ecological footprint?A measure of resource demand and waste impact
  5. Why use multiple climate proxies?To cross-check reconstructions of past conditions
  6. What drives sea-level rise?Thermal expansion and melting land ice
  7. What is mitigation?Action that reduces causes or severity of environmental change
  8. What is a carbon sink?A reservoir that absorbs more carbon than it releases

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.