Charles Darwin during his famous sea voyage around the world in a ship (HMS Beagle), concluded that there has been gradual evolution of life.
Answer the following questions:
(a) What is his theory known as? Explain the salient features of his theory.
(b) Name a scientist who arrived at a similar conclusion as that of
Charles Darwin.
Answers
Answer:
I am not telling exect answer.
but I think theory is natural selection.
and the scientist who arrived at a similar conclusion is lamark
theory of natural selection.
Charles Darwin during his famous sea voyage :
• Charles Darwin made a sea voyage in a sail ship called HMS beagle and made some conclusion.
• he concluded that existing living forms shares similarities with not only among themselves but also with life form existed millions of years ago.
• some characterstics enables the organism to survive better in harsh conditions and organisms who survive better would outbreed others that are less- suitable for the environment .
• a word "fitness" of the individual was reffered by Darwin and this fitness was ultimately for the reproductive fitness ( organisms better fit in environment would leave more progeny)
• alfred walace :
• alfred walace a naturalist who worked in Malaysia archipelago had also come to similar conclusions.
• he concluded all existing life forms share similarities and share common ancestors and these ancestors were present at different periods of time.