How do prairie voles and mountain voles differ in behaviour?
Prairie voles show monogamous behavious whereas mountain voles show promiscuous relationship patterns.
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Why did imprinting evolve?
It may enhance fitness by enabling rapid learning.
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What are New Caledonian crows famous for?
They were used in the research conducted on cognition which showed they could use tools and meta-tools to get food out of their reach.
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Why altruism if its costly?
It increases the reproductive fitness of the species as a whole by making sure everyone has enough food etc for survival.
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Why can a new species be good and bad?
Good: can control a potentially dominant species enabling other species to persist. Bad: communities can be disrupted leading to a drastic reduction in diversity.
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Why does biodiversity increase towards the equator?
Tropics suffer less large scale disturbances. Suffer more local disturbances. May be more competition driving specialisation. More parasites and predators. Stable climate. Greater primary production due to more solar radiation.
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Other cards in this set
Card 2
Front
Why did imprinting evolve?
Back
It may enhance fitness by enabling rapid learning.
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