What are three adaptations that permit the frog to live in water succesfully?

Question

three adaptations to permit a frog living in water and three adaptations permit a frog to live on land?

Answer 1

Amphibians have smooth moist skin.
They are ectotherms. During extreme environmental conditions they either hibernate (winter) or aestivate (summer).
They carry on external fertilization. Their offspring develop through a process called metamorphosis. Tadpoles (aquatic larvae) resemble fish. Over a period of time they change in form into the adult amphibian.
They respire through poorly developed lungs and moist skin.
They contain a well developed muscular system.
The digestive system is adapted to digest whole prey, swallowed by the organism.
Two kidney's rid the body of nitrogenous waste. The amphibian liver carries on several functions: detoxifying poisons, producing bile, and storing glucose in the form of glycogen.
The cloaca is a sac that collects discharge from the large intestine, urinary bladder, and gonads before it is eliminated from the body.
Their brain is well developed and is attached to a dorsal nerve cord.
Most amphibians contain three eye lids. Two are normal and one is transparent.
These are the first animals to possess a pressure releasing canal called the Eustachian tube. The tube connects the mouth cavity with the tympanic membrane.

Answer 2

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RE:
What are three adaptations that permit the frog to live in water succesfully?
three adaptations to permit a frog living in water and three adaptations permit a frog to live on land?

Answer 3

Aquatic
(1) Webbed toes
(2) Strong legs for swimming/jumping
(3) Permeable skin for gas exchange

Land
(1) Strong legs for jumping
(2) Variety of feet modifications for tree climbing or burrowing
(3) Lungs for ventilation/respiration above water

(also endoskeletal structure is useful for land)