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A lesson about edible frogs.
Author: Horváthné Kunstár Andrea, Jámbor Gyuláné
frog, edible frog, croak, , amphibian, amphibians, Cutaneous respiration, jumping leg, tadpole, aquatic lifestyle, transformation, shore, predator, hibernation, gill, water, egg, larva, vertebrates, feeding, respiration, external fertilisation, mating, biology, nature study, ecology
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