Answer:
B. Is the answer. They are losing their habitat and therefore will be more likely to go extinct
Answer:
Reticular activating system (RAS)
Explanation:
The extra step of dissolving the nucleus is needed during DNA replication in a eukaryotic cell, whereas bacteria are prokaryotic and therefore don't have a nucleus so they don't need this extra step.
I would say 4. To create a hypothesis, you would need some knowledge about what you're studying. This is where prior knowledge could come in handy.