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Frogs Through the Ages
The Double Life of Frogs
How Do Frogs Find Food?
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adaptations adult frog African Clawed Frog algae American Bull Frog American Toad amphibians animal Arrow Frog Dendrobates back legs become behavior blastula body Bre-ke-ke-kex breeding season Bull Frog tadpole captivity cells chorus Clawed Frog tadpole common American Cuban Tree Frog develop earthworms embryo environment external gill branches eyes feed female fish flying insects Frog Hyla cinereaj Frog illustration Frog Rana catesbianaj Frog Rana pipiensj frog species frog's frogs and toads Frogs Live Goliath Frog Grass Frog Rana Grass Frog tadpole Green Tree Frog hatch head higher anurans Horned Frog Ko-ax lay their eggs lays its eggs leaves lower anuran mating Mink Frog morphosis mouth neural folds numbers of frogs Pickerel Frog Poison Arrow Frog ponds and swamps prey Rana catesbianaj tadpole reptiles singing skin small frogs species of frogs Spring Peeper sticky stream Surinam Toad tail tiny Tree Frog Hyla tropical types typical frog vertebrae wetlands Xenopus laevisj yolk