Front

What is interdependence in an ecosystem?

Back

Interdependence refers to the way in which different organisms and species rely on each other for survival, such as food, shelter, and pollination.

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NGSS.MS-LS2-2

Front

Define a food web.

Back

A food web is a complex network of feeding relationships among various organisms in an ecosystem, showing how energy and nutrients flow through different trophic levels.

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NGSS.MS-LS2-2

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Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, defined by how an organism obtains its energy, such as producers, primary consumers, and secondary consumers.

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

Front

What is the role of producers in an ecosystem?

Back

Producers, such as plants and algae, convert sunlight into energy through photosynthesis, forming the base of the food chain.

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NGSS.MS-LS1-6

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Front

Explain the concept of energy transfer in a food pyramid.

Back

Energy transfer in a food pyramid illustrates how energy decreases as it moves up trophic levels, with only about 10% of energy being passed from one level to the next.

Tags

NGSS.MS-LS2-3

Front

What happens to a population when a key resource is depleted?

Back

When a key resource is depleted, the population that relies on it may decline or face extinction due to lack of food, habitat, or other essential needs.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

What is ecological succession?

Back

Ecological succession is the process by which ecosystems change and develop over time, often following a disturbance, leading to a new community structure.

Tags

NGSS.MS-LS2-4

Front

Define biodiversity.

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of different species and genetic diversity within those species.

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NGSS.MS-LS2-5

Front

What is the impact of pollution on ecosystems?

Back

Pollution can harm ecosystems by contaminating air, water, and soil, leading to health issues for organisms and disrupting food chains.

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NGSS.HS-ESS3-4

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Front

How do invasive species affect native ecosystems?

Back

Invasive species can outcompete native species for resources, disrupt food webs, and lead to declines in native populations.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

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