bell ringer from the video monday, pick one segment and describe the relationship between the...
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![Page 1: Bell Ringer From the video Monday, pick one segment and describe the relationship between the organisms in that segment. Your description should be 5-7](https://reader035.vdocument.in/reader035/viewer/2022070415/56649eca5503460f94bd7db8/html5/thumbnails/1.jpg)
Bell Ringer
• From the video Monday, pick one segment and describe the relationship between the organisms in that segment. Your description should be 5-7 sentences.
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EcosystemsWhat makes you live?
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Essential Questions
• What are biotic and abiotic factors?
• What roles do organisms play in an ecosystem?
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Factors in an Ecosystem• Abiotic factors are the non-living
factors in an ecosystem
• Biotic factors are the living factors or once living factors in an ecosystem
• Make a T-chart on your paper and take one minute to list as many biotic and abiotic factors you can think of.
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Ecosystems
• An individual is a single organism in an environment.
• Individuals of the same type in the same environment are called a population.
• All the types of populations living together in a environment make up a community.
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Ecosystems• Together, a community and a
physical location make up an ecosystem.
• A limiting factor affects the population of an ecosystem.
• Ex. Food, water, shelter
• Population Density is the number of organisms an ecosystem can support.
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Check your learning• What are biotic factors
• What are abiotic factors
• Describe an ecosystem
• Identify each as biotic or abiotic
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Ecosystem
• Because there are limited resources in an ecosystem, there can be competition.
• Animals have developed traits over time to help them compete.
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Interdependence
• Organisms in an ecosystem are interdependent, meaning they depend on each other for survival.
• Each population of organisms has a niche. A niche is the specific role that an organism has an ecosystem.
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Food for Thought
• What niches do you fit in?
• What niches could organisms have in an ecosystems?
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Niches and Roles
• A producer is an organism that produces its own food.
• A consumer is an organism that eats producer or other consumers.
• A decomposer breaks down other organisms.
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Food Chain
• A food chain shows the flow of energy through an ecosystem.
• The SUN is the origin of all energy on Earth!
• Producers are always the the first level after the sun.
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Food Chains
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Food Web
• A Food Web shows how all food chains are connected.
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Exit Slip• What are abiotic factors?
• What are biotic factors?
• Label each of the following pictures as producer, consumer, or decomposer.
Please put one question you have
about what was covered today!