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Flashcards in Chapter 7 Deck (14)
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1

Studies if nonhuman primate behavior?

May provide valuable insights into human behavioral evolution

2

Dominance hierarchies?

Impose a certain amount of order within a group

3

Mounting as an expression of dominance in baboons is believed to also serve to?

Defuse tense situations

4

In old world monkeys, the swelling and changes in the color of the skin surrounding the female’s genital area?

In an indication of estrus

5

Permanent male-female bonds are?

Not common among nonhuman primates

6

Polygynous

Mating system in which males have several mating partners

One male-multiple female

7

Polyandry

Mating system in which females have several mating partners

One female- multiple male

8

Infanticide

Has been reported for a number of species

9

Social structure

The composition, size, and sex ration of a group of animals

The result of natural selection in a specific habitat and it guides individual interactions and social relationships

10

Life history traits

Characteristics and developmental stages that influence reproductive rates


Ex: age of sexual maturity

11

According to proponents of behavioral ecology?

Behaviors have evolved through the operation of natural selection

12

Communication

Any act that conveys information, in the form of a message to another individual

13

Biological continuum

Refers to the fact that organisms are related through common ancestry and that behaviors and traits seen in one species are also seen in others to varying degrees

14

Sexual selection

A type of natural selection that operate on only one sex within a species

Result of competition for mates and it can lead to sexual dimorphism with regard to one or more traits