PLTW Flow of Matter and Energy Quiz

What is a food chain?

• A type of exercise routine that focuses on the abdominal muscles

• A type of restaurant that serves a variety of dishes

• A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

• A type of computer program used for managing inventory

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What is photosynthesis?

• The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll pigment, carbon dioxide, and water.

• The process by which green plants and some other organisms use sunlight to synthesize water with the help of chlorophyll pigment, carbon dioxide, and oxygen.

• The process by which green plants and some other organisms use moonlight to synthesize foods with the help of chlorophyll pigment, carbon dioxide, and water.

• The process by which green plants and some other organisms use sunlight to synthesize oxygen with the help of chlorophyll pigment, carbon dioxide, and water.

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What is an ecosystem?

• A type of computer program

• A type of clothing accessory

• A type of musical instrument

• A community of living organisms in conjunction with the nonliving components of their environment, interacting as a system.

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NGSS.MS-LS2-3

Which organism is at the top of a food chain?

• Decomposer

• Herbivore

• Apex predator

• Primary producer

What is the primary source of energy for most ecosystems?

• wind

• water

• sun

• fire

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NGSS.MS-LS1-6

What is the role of decomposers in an ecosystem?

• Creating new species

• Recycling nutrients

• Controlling population

• Producing energy

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NGSS.MS-LS2-3

Which of the following is an example of a producer in a food chain?

• Water

• Plant

• Mineral

• Animal

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What happens to the energy as it moves through a food chain?

• Energy fluctuates

• Energy decreases

• Energy increases

• Energy stays the same

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What is the role of herbivores in a food chain?

• Breaking down dead organisms

• Converting sunlight into energy

• Consuming plants and providing energy for carnivores

• Controlling the population of plants

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What is the role of sunlight in an ecosystem?

• It provides heat to the organisms

• It provides light for visibility

• It is used by plants to produce food

• It helps in the decomposition of dead organisms

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6