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ANIMAL RESPONSE (Navigation method (Honey Bees (use different waggle dance…
ANIMAL RESPONSE
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PHEROMONE
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Mammals
use pheromone to signal sexual receptivity & territory, or synchronise group behaviour
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Reptiles
also use VNO to detect pheromone - sample the chemical in the environment and deliver them to the VNO
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MIGRATION
Advantages
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increase genetic diversity since many populations may meet at the same "breeding" ground and they breed with individuals from a different population
Disadvantages
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may starve and die, especially in long journey
using too much energy during the migration, so not enough energy left at the arrival for successful breeding process
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Patterns
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return migration - move out from one site to breed, then return to home site
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HOMING
may increase foraging efficiency as it reduces energy expenditure - often relies on the recognition of familiar landmarks