Answer:
i think Decaying plant matter is answer
Answer: The Answers are, A: happens all the time, D: can be caused by genetic drift, and E: can be caused by natural selection.
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
(B) All cars traveled at different speeds. Sorry if im wrong
Most, maybe all, bacteria have their genome DNA tethered to their cell membranes, so it is in the cytoplasm but its not really floating around. Plasmids in bacteria however are free floating. This is why it's so easy to isolate plasmids from bacteria with centrifugation after lysing.