Edited Invalid date
16.2 Natural Selection -- Part 2
The males are larger than the females and can threaten other members of the troop with their long, sharp canine teeth.
The other males are frightened by one or more males.
The male baboon pays a price for his position.
Being larger means that he needs more food, and being willing and able to fight predators means that he may get hurt.
He has a reproductive benefit to his behavior.
When they are most fertile, males tend to be the first to dominate females.
There are other ways to father children.
When a female is in estrus, she may mate preferentially with a male who is also helping her and her offspring.
Subordinate males may form a friendship group that is against a dominant male and make him give up a female.
A territory is defended against competitors.
The home range of an animal is determined by scientists who are able to track it in the wild.
The Olive Baboons travel within a home range and sleep in trees at night.
The troop will move when the males decide where to go.
If the troop is threatened, dominant males protect it.
It is possible to defend a territory with vocalization and displays.
Male songbirds use singing to announce their willingness to defend a territory.
The males of the species are reluctant to use the same area.
A male olive baboon is threatening.
The distribution of resources is determined by competition between males.
Red deer on the Scottish island of Rhum compete to be the harem master of a group of hinds that only mate with them.
The harem master protects a territory that the reproductive group occupies.
Harem masters try to repel challengers by roaring.
If the challenger stays, the two push each other.
The master chases the challenger for a short time after he withdraws.
The challenger will become the harem master if he wins.
Review flashcards and saved quizzes
Getting your flashcards
Privacy & Terms