match the pairs

Solution 

1. The coccyx currently serves as an anchor for muscles; that wasn't its original purpose, so that's why it's considered vestigial. Option b is correct.

2. Carbon dating -  Paleontological evidence include the fossils of extinct organisms as well as the fossil records of biological activity. By using carbon dating we can find the age of the fossils. Thus d is the answer. 
 

  • 0
What are you looking for?