Social Behaviour 3.6 Flashcards

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1
Q

What is a social heirarchy

A

A rank order that animals that live in a social group use

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2
Q

What are advantages of social heirarchy

A

Aggression is ritualised between members; real fighting id kept to a minimum; serious injury is normally avoided; energy is conserved; experienced leadership is guaranteed; the most powerful animals are most likely to pass their genes onto the next generation

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3
Q

Wolves social heirarchy

A

Dominant male shows power by raising ears, baring of teeth, eyes widened, head raised. Submissive partner keeps all body parts lowered, covers teeth and half closes eyes

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4
Q

What is a pecking order

A

Birds use it to establish a dominant member. Dominant member pecks all others and doesn’t get pecked back, second pecks everyone except dominant and so on through the line

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5
Q

What is co-operative hunting

A

Animals which live in social groups work together to kill their prey.

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6
Q

What are advantages of co-operative hunting

A

All members of the group receive food, mire food is gained than hunting alone, hunting success is greater, individual energy output is less

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7
Q

What are advantages of staying in groups

A

Vulnerable are protected; many eyes, ears and noses to spot predators; predators may be less likely to attack a large group; movement in many directions will confuse a predator

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8
Q

What is altruism

A

When an animal behaves in a way that disadvantages them whilst benefiting another animal

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9
Q

What is reciprocal altruism

A

Idea that if the animal helps then the favour will be returned

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10
Q
A
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