Questions that evolutionary theory has answered
Why do orchids have such intricate internal structures ?
Why are male birds of paradise so brightly coloured ?
Why do some reptilian precursors of mammals have enormous `sails' on their
backs ?
Why do bats typically roost upside down ?
Why are the haemoglobins of humans and apes so similar ?
Why are there no marsupial analogues of seals and whales ?
Why is the mammalian fauna of Madagascar so distinctive ?
Why did the large carniverous ground birds of South America become extinct
?
Why is the sex ratio in most species one to one (although it is markedly
different in some species of insects) ?
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EVOLUTION