kinda, see the gills are just gill slits in the side of the neck for a short period of time while in the womb, but they aren't functional and fuse together after a short period of time, bit like how when puppies are born there eyes are closed because the first time they blinked in the womb they instantly became fused (yes, all animals with eyelids blink in the womb at least once). As for the tails, that is also true, but most babies lose them quite quickly. However, some rare cases appear where the child is born with this prenatal tail. It is not truly a tail though, as it in boneless and has no nerve endings and is mostly made of fat. One little boy in India who was born as such was revered as the reincarnated monkey god that I do not recall the name of. Such children born with these tails are sometimes caught in controversial debates on if they are proof of evolution of people from monkeys or apes. As to the best of my knowledge, all vertebrate animals go through at least a stage in the womb fitting these descriptions. Obviously, some animals keep the or one of the traits (referring to animals like amphibians, and many others). Compare this to how tadpoles have both but grow into frogs that have neither.
(Sorry this was originally all mine, i just forgot to log in the first time.)
mouth or gills
Tadpoles have gills, a tail, and a suction cup like mouth.
Yes.
Larval frogs or froglets have gills - just like fish. They first develop lungs and when the lungs are fully functional the gills start to dissapear. They will get smaller and will completely degenerate, just like the long tail in froglets.
Yes, baby frogs are called tadpoles. Unlike the grownup frog, tadpoles live in the water, and even have a tail sort of like a fish does, for swimming around. Tadpoles also have gills like a fish, for breathing underwater. The gills and tail disappear as the tadpole turns into a frog.
a fish tail and gills
Scales, gills, fins, tail, streamlined, cold blooded
Dorsal fin, gills, tail.
Ontogeny recapitulates phylogeny
No, They receive oxygenated blood through the umbiliacl cord, humans do not have gills.
yes but not for very long
Gills for breathing Eyes to see Tail to swim
An eel is probably the most common.
mouth or gills
When amphibians are babies, they have gills, but most adult amphibians breathe with a pair of lungs excluding salamanders.
Tadpoles have gills, a tail, and a suction cup like mouth.
They would wear a bra that would match the color of the gills on there tail. XD