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14 Cards in this Set
- Front
- Back
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What is a community?
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A community is a group of populations of different species that inhabit the same area and interact with one another.
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What is an ecological niche?
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An ecological niche is a unique place in nature inhabited by one species.
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What does the Competitive Exclusion Principle state?
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The Competitive Exclusion Principle states that only one species can inhabit an ecological niche.
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What is resource partitioning?
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Resource partitioning enables sympatric species with similar resource requirements to co-exist in a single community.
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What does resource partitioning result in?
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Resource partitioning results in the occupation of more available niches within a specific environment.
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What do animal species compete for?
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food, space/habitat
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What do plant species compete for?
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water, sunlight, soil, nutrients
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Competition is an ______________ interaction.
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inter-specific (within species)
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How can predation affect the evolution of predator species?
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ability to capture prey
what predators hunt (flexibility to switch food sources) specific traits (speed, camoflauge, teeth, venom) |
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How can predation affect the evolution of prey species?
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masquerade/misidentification
camoflauge (to confuse predators) warning colors |
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What is parasitism?
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Parasitism is a symbiosis where one species (parasite) obtains nourishment from another species (host).
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What is a disease symbiosis?
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Disease is a symbiosis where a population causes sustained cellular changes in its host that results in symptoms.
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How does herbivory affect plant evolution?
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thorns and spines
secret toxins leaves can close up palm trees-leaves are hard to reach |
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How does herbivory affect herbivore evolution?
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teeth are specialized
jaw muscles are specialized for chewing symbiotic microorganisms in intestines to break down cellulose the ability to tolerate toxins |
