The front legs i had a tadpole/frog so i would know
hind legs
The tadpole is the stage in which most growth occurs. This is the stage when back legs are front legs are grown.
Metamorphosis. The back legs grow, then the front legs. The tail then disappears and you have a froglett.
The frog is in an egg, then the egg hatches to form a tadpole. The tadpole grows back legs, then front flippers. Finally, metamorphosis occurs, and voila! Adult frog.
The forelimbs of frogs are primarily designed to support the hind limbs during sitting and walking. The back limbs are the ones designed for jumping.
In the sentence "Two weeks later all the tadpole's back legs start to form," the apostrophe is incorrectly placed. It should be removed, as it suggests possession (the back legs belonging to one tadpole) instead of referring to multiple tadpoles. The corrected sentence should read: "Two weeks later all the tadpoles' back legs start to form," indicating that the back legs belong to multiple tadpoles.
Back legs first, then front.
The back legs help the grasshopper jump and the front legs help them stand even
Back legs
It typically takes about 6-9 weeks for a leopard frog tadpole to grow its hind legs. The front legs usually develop a week or two after the hind legs. At this stage, the tadpole is undergoing metamorphosis into a frog.
The kangaroos back legs are stronger then the front legs because they need the strength of thier back legs to jump and to use them to fight.