How Organisms Obtain Energy

Is the catabolic pathway in which organic molecules are broken down to release energy for use by a cell.

• Cellular respiration

• Thermodynamics

• Photosynthesis

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Organisms that obtain their organic material from other organisms

• Consumers

• Autotrophs

• Producers

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Is the anabolic pathway in which light energy from the sun is converted chemical energy for use by the cell

• Cellular respiration

• Thermodynamics

• Photosynthesis

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Which terms best describe autotrophs?

• Plants; producers
• Animals; producers
• Plants; consumers
• Animals; consumers

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What is a food WEB?

• an organism that gets energy by eating another organism
• organisms that break down dead organisms and waste material
• an organism that can make its own food
• many overlapping food chains

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 ___________ is the energy-requiring process which joins smaller molecules together to form larger molecules.

• Metabolism
• Anabolism
• Catabolism
• Heat Transfer

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Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

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Which best describes what a food chain shows you?

• Energy flow through an ecosystem
• Food flowing through an ecosystem
• Consumers going into other consumers
• Who eats who

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1.What does the first law of thermodynamics state?

• entropy increases

• energy is conserved

• metabolism decreases

• chemicals are produced

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Autotrophs that convert light energy into chemical energy are called ____.

• photoautotrophs

• heterotrophs

• chemoautotrophs

• omnivores

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