Fish Breathe Using ___________ While Amphibians and Reptiles Breathe Using

Q6: The first mammals very likely arose from

Q7: Which of the following is the

Q8: Almost all organisms alive today evolved from

Q9: Why are there so many species of

Q10: All of the following are made of

Q12: When did the major evolutionary expansion of

Q13: Amniotic eggs evolved as a means to:<br>A)protect

Q14: The first animals to invade land were:<br>A)amphibians<br>B)birds<br>C)reptiles<br>D)arthropods

Q15: The warm-blooded reptilian ancestors to the dinosaurs

Q16: Reproductive methods among the _ are the