In cyclic fluctuations, why are predators always slightly behind?
The phases of predator fluctuations are always slightly behind the prey population because they need to reproduce, compete for food or die and decay.
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What is interspecific and intraspecific competition?
INTERspecific competition is between 2 different species', like red & grey squirrels. INTRAspecific competition is betwen the same species (e.g.only within grey squirrels)- this affect the population more as the same species will have the same niche.
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What are parasitic relationships?
Parasitic relationships benefit the parasite that is living and feeding on its host. For example, the tapeworm lives in the digestive system of other animals taking food away from it to grow.
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What do animals and plants compete for?
Animals and plants compete for food, water, shelter, light, minerals and mates to survive. If they do not have enough of these they will not survive so their species will die out.
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What are mutualistic relationships?
Mutualistic relationships benefit both animals involved; for instance legumes have root nodules that contain nitrogen-fixing bacteria. They give the legume extra nitrates to grow and the legume gives the bacteria sugar, for energy.
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Other cards in this set
Card 2
Front
What is interspecific and intraspecific competition?
Back
INTERspecific competition is between 2 different species', like red & grey squirrels. INTRAspecific competition is betwen the same species (e.g.only within grey squirrels)- this affect the population more as the same species will have the same niche.
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