Social Relationships

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Social Relationships
14.3
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Communication

• Communication a signal must travel from one
  animal to another, and the receiver must respond
  in some way
• Why communicate?
• To survive
• Defend territories
• Warn of danger
• Identify family members
• To frighten predators
• To find mates

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SOUND

• Sound is a signal that can reach many animals
  over a large area.
• Wolves howl
• Dolphins whistle click
• Birds sing
• Elephants rumble (too low for humans to hear)
• Humpback whales sing songs

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TOUCH

• Grooming
• Chimps use this to calm and comfort one another.
• Shows friendship and support
• What others things can touch communicate?

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CHEMICALS

• Pheromones the chemicals animals use to
  communicate.
• Insects secrete (give off) a variety of
  pheromones
• Warn of danger
• Identify colonies (friend or foe)
• Finding mates

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SIGHT

• Smiles
• Body language
• Bees dance to give info about food
• Show teeth
• Ruffle feathers
• Visual displays for courtship

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Living in Groups

• Positives
• Work together
• Spot predators
• Protection
• Finding food
• Negatives
• Competition
• Attracts predators
• Spreads disease

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The end!