Connect Across the Curriculum, continued
Listening/Speaking: Give a Presentation on Endangered Species
HEALTH & SCIENCE

HEALTH & SCIENCE

Academic Vocabulary

  • • effect (i-fekt) noun An effect is the result of an action or cause.

In “A Natural Balance,” you learned about problems that cause the extinction of plants and animals. Review the sidebar on page 338. Each of the “HIPPO” problems has a negative effect on plants and animals.

HIPPO stands for

Habitat loss

Introduced species

Pollution

Population growth

Over-consumption

  • 1 Study Causes What causes each of the five HIPPO problems? Work with a group to study and discuss the causes of each problem. For example: The problem of habitat loss is caused by trees being cut down and land being torn up.

  • 2 Think of Solutions Choose one of the HIPPO problems. Discuss possible solutions with your group. Sometimes the cause or effect of the problem can help you think of solutions. Be sure to:

    • • Identify the problem.

    • • Explain why it is a problem.

    • • Tell what causes it.

    • • Suggest ideas that can help solve the problem.

  • 3 Prepare a Presentation As a group, plan a problem-solution presentation to share with your class. Use an outline like this to help organize your ideas:

    • I. Problem: Habitat loss

      • A. threatens animals

      • B. threatens plants

    • II. Causes

      • A. cutting down trees

      • B. tearing up land

    • III. Effects

      • A. leaves plants and animals with no place to live

      • B. plants and animals become endangered

    • IV. Solutions

      • A. plant more trees

      • B. preserve specific habitats

  • 4 Give Your Presentation Share your presentation with the class. Then participate in a class discussion about your group’s ideas. How well will the solutions work? Give reasons for your opinions.