Multiple Choice
Tadpoles metamorphose into frogs because of
A) decreases in iodine leading to less thyroid hormone.
B) decreases in juvenile hormone from the corpora alata.
C) increases in epinephrine from the adrenals.
D) activation of the thyroid gland and increases in growth hormone.
E) sex hormones.
Correct Answer:

Verified
Correct Answer:
Verified
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