Chapter 5: Primates

Question 0

Sexual Dimorphism

Answer 0

Occurs when there is competition between males for females. Larger males and smaller females.

Question 1

Arboreal

Answer 1

Adapted for living and moving about in trees, as the limbs and skeleton of opossums, squirrels, monkeys, and apes.

Question 2

Parental Investment

Answer 2

Parental time, energy that benefits one offspring at a cost to parents’ ability to invest in other components of fitness.

Question 3

Alloparents

Answer 3

An individual who helps care for offspring, but is not the parent.

Question 4

Infanticide

Answer 4

Takes place in very specific circumstances when a male kills offspring that are not his.

Question 5

Kin Selection

Answer 5

Behavior that increases fitness for close relatives.

Question 6

Reciprocal Alturism

Answer 6

Doing something that benefits someone else, but affects you.

Question 7

What sense do primates mostly rely on?

Answer 7

Vision, due to their weak sense of smell.

Question 8

Which social group is most common between primates?

Answer 8

Multi male/female group

Sexual dimorphism is prominent

Question 9

What are the three primate origin models?

Answer 9

Arboreal model, Visual predation, and Fruit eating model.