Photosynthesis and Chemosynthesis

Photosynthesis is the

• conversion of carbon dioxide and water into sugars and oxygen by bacteria- with help of light

• conversion of methane gas and water into sugars and oxygen by plants - with help of light

• conversion of carbon dioxide and water into sugars and oxygen by plants - with little to no light

• conversion of carbon dioxide and water into sugars and oxygen by plants - with help of light

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Chemosynthesis is the

• conversion of carbon into sugars and nutrients by bacteria in dark places. They use hydrogen gas, hydrogen sulfide and methane gas as a source of energy, relies on sunlight.

• conversion of carbon into sugars and nutrients by bacteria in dark places. They use hydrogen gas, hydrogen sulfide and methane gas as a source of energy, rather than sunlight.

• conversion of carbon into sugars and nutrients by bacteria in dark places. They use hydrogen gas, hydrogen sulfide and methane gas as a source of energy, with little to no sunlight.

• conversion of carbon into sugars and nutrients by bacteria in dark places. They use hydrogen gas, hydrogen sulfide and methane gas as a source of energy, with some sunlight.

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A difference between photosynthesis and chemosynthesis

• Photosynthesis doesn't use light and chemosynthesis does

• Photosynthesis makes sugar and chemosynthesis doesn't

• Photosynthesis uses light and chemosynthesis doesn't

• Photosynthesis doesn't make sugar and chemosynthesis does

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What is a similarity in chemosynthesis and photosynthesis

• they both produce carbon dioxide

• they both use light

• the both are used by plants

• they both produce energy and sugar

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Chemosynthesis produces

• sugar and nutrients

• sugar and bacteria

• bacteria and methane

• methane and hydrogen

Photosynthesis produces

• sugar and bacteria

• methane and sugar

• carbon and bacteria

• sugar and oxygen

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NGSS.MS-LS1-6

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This process will most likely occur in aphotic region of the ocean (near hydrothermal vents).

• Photosynthesis by way of algae and zooplankton

• Cellular Regeneration by way of smaller autotrophic organisms

• Chemosynthesis by way of small microbes

• Bacterial Fission by way of bacteria

Which of the following correctly describes the relationship between photosynthetic algae and coral reefs?

Corals contain photosynthetic algae, called zooxanthellae, that live in their tissues. The coral provides the algae with a protected environment and compounds they need for photosynthesis. The algae produce oxygen and help the coral to remove wastes.

• Commensalism

• Mutualism

• Competitive

• Parasitism

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Select the factors that can affect the rate of photosynthesis... (More than one answer can be selected)

• Temperature

• Amount of Carbon Dioxide

• pH

• Amount of Sunlight

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What is the primary purpose of cellular respiration?

• to release oxygen from air molecules

• To release energy from ATP molecules

• To break down glucose and transfer its energy to ATP molecules

• To transfer the sun energy into glucose

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NGSS.MS-LS1-3

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