Ecosystems

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What are density dependent factors in an ecosystem?

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Factors that affect population size based on the density of the population, such as predation and competition.

Tags

NGSS.MS-LS2-4

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What are density independent factors in an ecosystem?

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Factors that affect population size regardless of the population density, such as natural disasters like floods and tornadoes.

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What is an ecosystem?

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A community of organisms interacting with their abiotic (nonliving) environment.

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What role do decomposers play in an ecosystem?

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Decomposers, like mushrooms and bacteria, break down decaying organisms, recycling nutrients back into the ecosystem.

Tags

NGSS.MS-LS2-3

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What is the difference between a community and a population?

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A community includes all the different species living in a particular area, while a population refers to a group of individuals of the same species.

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What is a food web?

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A complex network of feeding relationships among various organisms in an ecosystem.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

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What is the role of producers in an ecosystem?

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Producers, such as plants, create their own food through photosynthesis and provide energy for other organisms.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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What is competition in an ecosystem?

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The struggle between organisms for limited resources, such as food, water, and space.

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What is predation?

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A biological interaction where one organism (the predator) hunts and eats another organism (the prey).

Tags

NGSS.MS-LS2-2

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What is biodiversity?

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The variety of life in a particular habitat or ecosystem, including the number of different species.

Tags

NGSS.MS-LS2-5