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THE MYSTERY OF THE DEFORMED FROG

Teacher: Mr. Prussman
Horizontales
When a tadpole develops into an adult it loses its tail and develops two sets of ________. (86)
In ponds where pesticides scientists have observed an increase in ____ frogs. (243)
Chemicals that cause deformities in frogs which mimic pesticides are ________. (243)
Salamanders, Frogs, and Toads are classified as __________. (86)
One reason that frogs are becoming extinct world-wide is the destruction of their ______. (86)
Frogs eat insects which they catch with their long sticky_____. (86)
Verticales
Amphibians are important because they consume grasshoppers and other _____pests.(86)
Chemicals that are used to kill agricultural insect pests are called ________. (243)
Examination of many three-legged frogs in Vermont, lead developmental biologists to conclude that ______ were the cause of extra or missing legs. (244)
The early fish-like stage of a frog, the________, lives in water using gills to breathe.