The life cycle of a newt includes which stages?

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Prepare for the Academic Decathlon Science Test. Study with flashcards and multiple choice questions, each question offers hints and explanations. Get ready for your scientific challenge!

Multiple Choice

The life cycle of a newt includes which stages?

Explanation:
Newts undergo a two-phase life cycle typical of salamanders: they begin as eggs laid in water, hatch into an aquatic larval form that has gills, and then undergo metamorphosis to become an adult with lungs and legs. That sequence—egg stage, larval stage with gills, and adult stage with lungs—captures the essential progression and the major respiratory and structural changes from water-dwelling larva to air-breathing adult. The other options mix in stages that don’t belong to salamanders (a pupal stage is insect-like; a tadpole stage is characteristic of frogs; and a separate juvenile stage isn’t the standard depiction for this lifecycle).

Newts undergo a two-phase life cycle typical of salamanders: they begin as eggs laid in water, hatch into an aquatic larval form that has gills, and then undergo metamorphosis to become an adult with lungs and legs. That sequence—egg stage, larval stage with gills, and adult stage with lungs—captures the essential progression and the major respiratory and structural changes from water-dwelling larva to air-breathing adult. The other options mix in stages that don’t belong to salamanders (a pupal stage is insect-like; a tadpole stage is characteristic of frogs; and a separate juvenile stage isn’t the standard depiction for this lifecycle).

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