Frogs start out as tadpoles and then they develop into jumping frogs. They start life in water.
no, adult frogs do not have tails. although frogs do have tails when they are young, but they loose them.
Tadpoles are the young of frogs. The tadpoles will eventually develop into frogs.
Tadpoles have a two-chambered heart similar to fish. Frogs have three-chambered heart, which tadpoles develop when they grow into a frog.
The reason why marsupial frogs have pouches is to keep the tadpoles until they develop into froglets.
frogspawn turns into tadpoles which eventually turn into frogs.
lungs
Frogs don't need have their offspring develop inside them. So if you were to dissect a frog you would not find the uterus because frogs release sperm and eggs to develop outside the body. Technically, the uterus is the outer shell of the egg...
because frogs heart contains omega 3 fatty acids which help the brain develop because frogs heart contains omega 3 fatty acids which help the brain develop
Yes they do. All frogs, salamanders and Caecillians have lungs. However the tadpoles do not and develop lungs in the time that they live in water.
Gills.
They grow and develop into frogs, just like humans change as they get older.
They develop in water, with some exceptions. Some salamanders are live-bearing and some frogs have a larval stadium that develops inside the egg.