Living Systems and Ecosystem Interactions

If a plant does not get enough sunlight, what will most likely happen to its ability to survive?

• It will grow faster

• It will not be able to make enough food

• It will produce more flowers

• It will need less water

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NGSS.MS-LS1-5

NGSS.MS-LS1-6

Imagine a hurricane hits a coastal ecosystem. What is one way this extreme weather event could affect the animals living there?

• It could provide more sunlight

• It could destroy habitats and force animals to move

• It could make the water less salty

• It could help plants grow faster

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

If you wanted to test how much sunlight affects the rate of photosynthesis in a plant, which variable would you change in your experiment?

• The amount of water

• The amount of sunlight

• The type of soil

• The size of the pot

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NGSS.MS-LS1-5

NGSS.MS-LS1-6

A drought lasts for several months in a forest ecosystem. What is a likely effect on the plants and animals living there?

• More plants will grow

• Some plants and animals may die due to lack of water

• Animals will have more food

• The temperature will decrease

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NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A sea turtle eats jellyfish in the ocean. What role does the sea turtle play in this interaction?

• Producer

• Consumer

• Decomposer

• Parasite

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NGSS.MS-LS2-2

A student observes that a plant in a dark room does not grow as well as a plant in sunlight. What hypothesis could the student make about the importance of sunlight for plants?

• Plants do not need sunlight to grow.

• Sunlight is necessary for plants to grow well.

• Plants grow better in the dark.

• Sunlight makes plants wilt.

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NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1

Suppose a flood washes away many plants in a grassland ecosystem. How might this affect the animals that live there? Use evidence to support your answer.

• Animals will have more food to eat.

• Animals may have less food and shelter, so some may leave or die.

• Animals will not be affected at all.

• Animals will become plants.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

A scientist wants to know how pollution affects the interaction between fish and coral in the ocean. What is a good first step using the scientific method?

• Guess the answer

• Make a hypothesis about how pollution might change the relationship

• Ignore the problem

• Feed the fish

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NGSS.MS-ESS3-4

A plant is placed in a sealed container with no carbon dioxide. Predict what will happen to the plant over time and explain why.

• The plant will grow faster because it has more air.

• The plant will not survive because it cannot perform photosynthesis.

• The plant will turn into an animal.

• The plant will produce more flowers.

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NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1

A blizzard covers a forest with snow for several weeks. How might this extreme weather event affect the ecosystem?

• All animals will hibernate.

• Some animals may struggle to find food and shelter.

• The temperature will rise.

• Plants will grow faster.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4