Ask your own question, for FREE!
Biology 16 Online
OpenStudy (anonymous):

What observation did Darwin make that suggested there had been geological changes in Earth's history? A. giant tortoises B. fossils of giant sloths C. fossil shells on top of mountains D. an absence of rabbits in South America

OpenStudy (shreehari499):

Giant tortoises..:) SO its A

OpenStudy (anonymous):

yup it's A :)

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!