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Published byDaniel Dawson Modified over 9 years ago
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Living Things Interact Developed by Trent Voyles
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Ecosystems All the living and nonliving things that interact with each other in an environment. Ecosystems include individuals, populations, and communities. In a healthy ecosystem, populations are interdependent.
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Individuals and Populations A single organism in an environment is called an individual. Individuals of the same kind living in the same environment make up a population.
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Community All the populations of organisms living together in an environment make up a community.
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Habitat and Niche Habitat comes from the Latin verb meaning “to dwell.” An organism’s habitat is where it dwells or lives. A niche is a certain role that each population has in its habitat. Eagles and owls share the same habitat and food. Eagles hunt during the day and owls at night, different niches.
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Limiting Factors Limiting factors include the following: Soil conditions Temperature Rainfall Number of Plants Amount of Food
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Population Density Population density is the number of animals in a certain area. Limited resources, such as food, will affect the size of population that can live in a certain area.
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Nonliving things that affect the organisms living in an ecosystem include weather, landforms, and – A. Habitat B. Niche C. Soil D. Population
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Nonliving things that affect the organisms living in an ecosystem includes weather, landforms, and - C. Soil
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An ecosystem is made up of a community and its - A.Population B.Environment C.Niche D.Landform
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An ecosystem is made up of a community and its - B. Environment
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The types and number of animals in an ecosystem are determined by the - A.Types and number of plants B. Types and number of communities C. Types and numbers of individuals D. Population density
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The types and number of animals in an ecosystem are determined by the - A. Types and numbers of plants
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In a healthy ecosystem populations of living things are - A. Independent B. Enemies C. Interdependent D. Large
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In a healthy ecosystem populations of living things are - C. Interdependent
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