Darwin's Frogs | edHelper.com

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Darwin's Frogs

Darwin's Frogs
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Print Darwin's Frogs Reading Comprehension

Reading Level

	edHelper's suggested reading level:	grades 5 to 7
	Flesch-Kincaid grade level:	5.62

Vocabulary

	challenging words:		distensible, triangular-shaped, vaquero, theory, evolution, occasional, scientist, selection, natural, develop, nickname, resemble, gathering, independent, thoughts, become
	content words:		Charles R.

Darwin's Frogs

¹     Darwin's frogs are tiny amphibians. They grow to be only one inch long. They live in the temperate forests of southern Argentina and Chile. As their name suggests, Darwin's frogs were discovered and named after Charles R. Darwin. Darwin (1809-1882) was a British scientist. He is famous for his thoughts on the theory of evolution and natural selection.

²     Darwin's frogs have lengthened, pointy snouts and triangular-shaped heads. Their skin is greenish brown. They are decorated with occasional warts. As Darwin's frogs sing, their calls remind us of cowboys' whistles for gathering their herds of cattle. Hence, locals nickname Darwin's frogs "vaquero", a Spanish word for cowboy.

Paragraphs 3 to 4:
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Animal Themes

             Animal Themes

Amphibians

             Amphibians

Frogs

             Frogs

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