The remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
Mold fossils
Cast fossils
Trace fossils
What the larva and pupa stages have in common is that both stages take place in water.
This is where the insect evolves until it becomes fully grown and then leaves water.
Could you add a little more to this question, please?
The correct answer would be A.) Urinary Bladder
