Ask your own question, for FREE!
Computer Science 10 Online
OpenStudy (anonymous):

Which One Is Most Recent Out Of Fish With Craniums Appear , Mammals Appear , Sharks Appear

OpenStudy (anonymous):

I believe sharks as we know them have always had craniums, and we know that they've been fairly consistent in form and function since the time of the dinosaurs. So which came first, dinosaurs or mammals?

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!