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.
The underside of a male (top) and a female (bottom) individual of Pachygrapsus marmoratus, showing t
External and internal male genitalia.
The male reproductive system.
Procedures and Diagnostic Tests Related to the Male Reproductive System
Blood Groups and Blood Types
The Male Reproductive System