3.6 - Social Behaviour Flashcards

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1
Q

What do dominant individuals in a social hierarchy carry out?

A

Ritualistic (threat) displays

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1
Q

What is a Social hierarchy?

A

It is a rank order within a group of animals consisting of a dominant and subordinate members

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2
Q

What do subordinate individuals in a social hierarchy carry out?

A

Appeasement behaviour to reduce conflict

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3
Q

What do social hierarchies increase the chances of?

A

The dominant animals favourable genes being passed on to offspring

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4
Q

Why do animals often form alliances in social hierarchies?

A

To increase their social status within the group

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5
Q

Who does co-operative hunting benefit?

A

BOTH, subordinate and dominant animals

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6
Q

What does co-operative hunting enable?

A

Enables larger prey to be caught and increases the chance of success

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7
Q

What do social defence strategies increase the chances of?

A

Survival

  • as some individuals can watch for predators whilst other forage for food
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8
Q

Why do groups adopt specialised formations when under attack?

A

To protect their young

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9
Q

Who does an Altruistic behaviour affect?

A

It harms the donor individual but benefits the recipient

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10
Q

What is Reciprocal altruism?

A

Where the roles of donor and recipient later reverse, often occurs in social animals

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11
Q

Who does Kin selection affect?

A

The donor will benefit in terms of the increased chance of survival of shared genes in the recipients offspring or future offspring

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