Problem:
Question 1: Darwin's theory suggests:
a. sudden jumps in evolutionary processes
b. long static periods
c. catastrophism
d. gradualism
Question 2: Which of the following is an example of homology?
a. human arm and penguin front flipper
b. bird wings and insect wings
c. dog nose and whale blow hole
d. cat front leg and back leg
Question 3: Which of the following is a vestigial structure?
a. primate thumb
b. ostrich wings
c. human hair
d. colorful feathers
Please select correct answer and also provide explaination.