Environmental Science Midterm Review

Front

What is the Biodiversity index?

Back

A measure of the variety of species in a given environment, calculated by the number of species and individuals.

Tags

NGSS.MS-LS2-5

Front

How do you calculate the Biodiversity index?

Back

Biodiversity index = Number of species / Total number of individuals.

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What is a hypothesis?

Back

A testable prediction about the relationship between variables in an experiment.

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What is the role of peer review in scientific research?

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Peer review ensures that research findings are evaluated by other experts before publication, enhancing credibility.

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What are density-dependent limiting factors?

Back

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

Tags

NGSS.MS-LS2-4

Front

What are density-independent limiting factors?

Back

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

Front

Why are invasive species a threat to native species?

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Invasive species often have fewer natural predators, allowing them to spread rapidly and outcompete native species.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Front

What is the difference between a hypothesis and a theory?

Back

A hypothesis is a testable prediction, while a theory is a well-substantiated explanation based on a body of evidence.

Front

What is an ecosystem?

Back

A community of living organisms and their interactions with their physical environment.

Front

What is ecological succession?

Back

The process by which ecosystems change and develop over time, often following a disturbance.

Tags

NGSS.MS-LS2-4