Encounters between male chimpanzees from different groups
a. are always friendly.
b. never occur.
c. are frequently accompanied by some form of aggression.
d. only occur at Gombe.
e. none of these
Question 2
Chimpanzee attacks on members of other groups
a. are definitely motivated by territoriality.
b. never result in injury.
c. always occur in the form of displays and nothing more.
d. can be extremely brutal and result in severe injury or death.
e. are so rare that only one or two have been observed.
External and internal male sex organs
Procedures and Diagnostic Tests Related to the Male Reproductive System
Funeral Rituals and Practices among U.S. Cultural Groups
The female and male urinary systems.
Blood Groups and Blood Types
Black female Vs. Gray male