Energy and Matter in Ecosystems Benchmark (Spring 2024)

Photosynthesis is an _____________ chemical reaction. It _____________ energy.

• exothermic, absorbs
• exothermic, releases
• endothermic, absorbs
• endothermic, releases

_____________ is a green pigment that is important for photosynthesis.

• Producer
• Chlorine
• Chlorophyll
• Chloroplast

A _____________ is an organism that captures energy and matter to produce sugar.

• producer
• photosynthesis
• chloroplast
• chlorophyll

True or false: Producers require sunlight, carbon dioxide, and oxygen to survive.

• True
• False

____________ are cell structures that uses the sun's energy to make sugar.

• Producers
• Chlorophylls
• Organisms
• Chloroplasts

Which organism is not a producer?

• plants
• mushrooms
• phytoplankton
• algae (cyanobacteria)

The products of photosynthesis are:

• glucose (sugar)
• glucose (sugar) and oxygen (02)
• carbon dioxide (CO2) and oxygen (02)
• sunlight, carbon dioxide (CO2), water(H20)

True or false: Carbon dioxide is absorbed through the roots of a plant and transported to the chloroplast.

• True
• False

Mike thinks that photosynthesis can take place at night. Mike's evidence is that plants don't die at nighttime. Which statement the most correct?

• Mike is correct. Plants can use photosynthesis at night because all of the reactants are present.
• Mike is correct. Plants can use photosynthesis at night because all of the products are present.
• Mike is incorrect. Plants cannot use photosynthesis at night because all of the reactants are not present.
• Mike is incorrect. Plants cannot use photosynthesis at night because all of the products are not present.

True of false: All living things are made up of matter.

• True
• False