Why do you think biologists use both the embryological development and the adult body plans to classify an animal?

Question

anonymous · Answer

@MelissaHolmes Sorry to annoy you again

anonymous · Answer

its ok :D but I have to go in a few minutes.... 
I think Biologists use this stuff,
a) because they want to classify by how the organism forms
b) and they have to know how the organism actually looks when it is alive
c) they are separate methods of classification

anonymous · Answer

kk, bye, gtg I'll be back on soon :D

anonymous · Answer

Thank you again! I feel like an idiot...

anonymous · Answer

you're welcome! and, don't feel like an idiot, that's what I'm here for :D