Bones of snakes are very loosely fused together like in humans. Hence these bones can move individually allowing the snakes to be really flexible. The ribs of snakes do not join like those of humans but instead, have free ends and do not have a sternum.
Answer:
1. DNA and RNA I'm pretty sure
The animal prepares for the hibernation ahead of time gathering food and eating so that it can sleep for the extended period of time without leaving
Answer:
observe, question, research, hypothesize, experiment, test hypothesize, draw conclusions, report
