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Published byRandolf Jonah Mitchell Modified over 9 years ago
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Warm-Up: Levels of an Ecosystem Label each descriptions as a population, community, or ecosystem. 1.Owls, mice, and grass all live in one area. 2.Owls, mice and grass all live in an area near a pond that receives lots of sunlight. 3.Eight owls all live in one area.
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Animal Relationships & Adaptations
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Niche =
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Niche = organism’s role in an ecosystem
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Relationships in an Ecosystem 3 types of relationships: predation competition symbiosis
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Predation =
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Predation = one organism is a food source for another organism Predator = hunter Prey = food
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Competition =
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Competition = struggle between organisms to survive in a habitat with limited resources
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Competition limited resources = “Limiting Factors” Examples?
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Competition largest population an environment can support = Carrying Capacity
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Symbiosis =
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Symbiosis = relationship between 2 organisms that benefits at least 1 of the organisms 3 types of symbiosis: mutualism commensalism parasitism
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Mutualism = both organisms benefit
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Commensalism = 1 organism benefits, other is not harmed
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Parasitism = 1 organism benefits, other is harmed
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Animal Adaptations 2 types: –Structural –Behavioral
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Structural Adaptation = inherited physical characteristic Adaptation that an animal “HAS”
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Structural Adaptation Escaping predators Examples?
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Structural Adaptation Obtaining food Examples?
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Structural Adaptation Reproducing Examples?
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Behavioral Adaptation = inherited behavior Adaptation that an animal “DOES”
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Behavioral Adaptation Camouflage = blending in with environment Examples?
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Behavioral Adaptation Mimicry = acting like a different organism Examples?
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Behavioral Adaptation Courtship = males & females of a species prepare for mating Examples?
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Behavioral Adaptation Hibernation = greatly reduced body activity during winter Examples?
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Behavioral Adaptation Migration = periodic journey of an animal from one place & back again Examples?
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Instinct vs. Learning Instinct =
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Instinct vs. Learning Instinct = behavior an animal can perform without being taught
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Instinct vs. Learning Learning =
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Instinct vs. Learning Learning = animal requires practice & experience to perform the behavior 4 types: conditioning trial-and-error insight imprinting
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Conditioning = connecting a stimulus to a good or bad event
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Trial-and-error = performing a behavior more skillfully with repeated practice
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Insight = applying knowledge to solve a new problem
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Imprinting = some newborn animals follow the first moving object they see
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