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Unsolved problems in biology
Some
unsolved problems
in
biology
include:
How did
life
start?
Are the conditions necessary for the
origin of life
narrow or broad?
Why is it necessary for mammals to
sleep
? Or
dream
, come to that?
Did life start on this planet or was there an extraterrestrial intervention (for example a meteor from another planet)?
What is
consciousness
?
Do the genomes of all animals link together?