Exploring Ecosystems and Their Interactions

What is a qualitative observation?

• An observation that involves numbers and measurements

• An observation that describes qualities or characteristics

• An observation that involves calculations

• An observation that predicts future events

Which of the following is a quantitative observation?

• The leaves are green

• The water is cold

• The tree is 5 meters tall

• The sky is cloudy

What is an adaptation?

• A temporary change in an organism's behavior

• A permanent change in an organism's DNA

• A trait that helps an organism survive and reproduce

• A random mutation in an organism

What is the difference between climate and weather?

• Climate is the short-term atmospheric conditions, while weather is the long-term average

• Climate is the long-term average of atmospheric conditions, while weather is the short-term conditions

• Climate and weather are the same

• Climate is only about temperature, while weather includes precipitation

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NGSS.MS-ESS2-6

In a food chain, what is the role of producers?

• They consume other organisms for energy

• They decompose dead organisms

• They produce energy from sunlight or chemicals

• They compete with other organisms for resources

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NGSS.MS-LS2-3

What is a food web?

• A linear sequence of organisms where each is eaten by the next

• A complex network of interconnected food chains

• A diagram showing energy flow in an ecosystem

• A pyramid showing the number of organisms at each level

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

What does an energy pyramid represent?

• The number of organisms at each trophic level

• The flow of energy through different trophic levels

• The amount of sunlight received by an ecosystem

• The diversity of species in an ecosystem

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is a niche in an ecosystem?

• The physical space an organism occupies

• The role or function of an organism within its environment

• The food an organism eats

• The predators that hunt an organism

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NGSS.MS-LS2-2

Which of the following is an example of a predator-prey relationship?

• A bee pollinating a flower

• A lion hunting a zebra

• A fungus decomposing a log

• Two birds competing for the same nesting site

Tags

NGSS.MS-LS2-3

What is symbiosis?

• A relationship where one organism benefits and the other is harmed

• A relationship where both organisms benefit

• A close and long-term interaction between two different species

• A competition between two organisms for resources