During which life stage do both newts and frogs have gills?

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Study for the Academic Decathlon Science Exam. Prepare with interactive quizzes featuring multiple choice questions, complete with hints and thorough explanations. Elevate your science skills and get ready to excel on the test!

Multiple Choice

During which life stage do both newts and frogs have gills?

Explanation:
Gills appear during the aquatic juvenile form of amphibians. In frogs and newts, life starts in water as eggs that hatch into larvae (tadpoles for frogs, larval newts) that breathe with gills. As they grow, they undergo metamorphosis into adults with lungs, and the gills are lost. So, both have gills during the larval stage.

Gills appear during the aquatic juvenile form of amphibians. In frogs and newts, life starts in water as eggs that hatch into larvae (tadpoles for frogs, larval newts) that breathe with gills. As they grow, they undergo metamorphosis into adults with lungs, and the gills are lost. So, both have gills during the larval stage.

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