Multiple Choice
Most evolutionary biologists believe that all currently living organisms had a common ancestor the existed about ___years ago.
A) 600 million
B) 2.3 billion
C) 3.9 billion
D) 4.5 billion
Correct Answer:

Verified
Correct Answer:
Verified
Q2: A life spent totally on land was
Q3: There are many similarities in the bones
Q4: Some biologists place primates in the superorder
Q5: Matching Questions<br>match each concept with its definition:<br>-analogy<br>A)similarities
Q6: The first person to categorize human beings
Q8: An example of a binomen is:<br>A)mountain gorilla<br>B)Homo<br>C)Theropithecus
Q9: Mammals are characterized by a:<br>A)diaphragm<br>B)hard palate<br>C)four-chambered heart<br>D)all
Q10: An example of a nonvertebrate chordate is:<br>A)a
Q11: Make a chart comparing and contrasting the
Q12: Metatherian mammals are found primarily in:<br>A)Australia<br>B)Africa<br>C)North America<br>D)all