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ZingPath: Vertebrates

General Characteristics of Amphibians

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Vertebrates

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Lesson Focus

General Characteristics of Amphibians

Biology

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You get to find interesting information about the major groups of animals that have backbones. While discovering the features that make these groups unique, also learn about the evolution of the heart.

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Now You Know

After completing this tutorial, you will be able to complete the following:

  • Describe the general characteristics of amphibians.
  • Give examples of amphibians.

Everything You'll Have Covered

Which body parts do amphibians have only during the larval stage?

~ Most amphibians have tails and gills only during their larval stage.

Describe the metamorphosis of amphibians.

~ Metamorphosis is a process by which organisms change from their larval stage into adults. In the larval stage, amphibians have tails for movement and gills for breathing. As they transform into adults, they lose their tails and gills, grow two pairs of limbs, and develop lungs.

How are an amphibian's excretions during their larval stage different from their excretions as an adult?

~ During the larval stage, amphibians excrete ammonia. As adults, amphibians excrete urea.

Where do amphibians lay their eggs?

~ Amphibians lay their eggs in water. One of the unique features of amphibians is their reliance on water for reproduction.

Tutorial Details

Approximate Time 2 Minutes
Pre-requisite Concepts Students should have a general understanding of the following terms: ammonia, amphibian, and biology.
Course Biology
Type of Tutorial Animation
Key Vocabulary ammonia, amphibian, biology