L16 - Social Behavior

Question 1

Define a SOCIAL ANIMAL

Answer 1

• Prefer to be near/interact with adults of their own species than to be solitary or just in monogomous pair
  
  • they form groups
• Theses adults are not just sexual partners (and indeed may be members of the same sex)

Question 2

What does the ‘mating system’ of a species determine about the GROUP STRUCTURE?

Answer 2

It determines whether the group is female-skewed, male skewed, or mixed sex

Question 3

In social species how many parents are philopatic?

Answer 3

1

typically only one sex leaves

Question 4

What does PHILOPATRIC mean?

Answer 4

the tendency of an animal to remain in or return to the area of its birth

Question 5

In socially evolved mammals which sex is the more social sex?

Answer 5

Females

Question 6

True or False

As a rule group mates are all relatives

Answer 6

True

Question 7

What does being social involve?

Answer 7

• alot of sophisticated abilities, including learning who’s a group-mate and who’s not, true individual recognition, and participating in group decision-making

Question 8

Individual recognition in sheep

Answer 8

Sheep can remember over 50 sheep faces - for 2 years

Question 9

Individual recognition in elephants?

Answer 9

Elephants can tell apart the calls of 100-150 different elephants AND they can determine ethnicity, gender, and age of nearby humans from acoustic cues in thei voices

Question 10

Reciprical altruism