I just completed the test and would like to share the correct answers except for the essay questions because I did NOT do them.
1. Which process in photosynthesis uses energy from the sun?
-Splitting water into hydrogen and oxygen
2. A scientist fills a glass container with water and places an aquatic plant inside the container, then closes the lid and places the container in direct sunlight. The scientist observes small bubbles on the surfaces of the plant’s leaves on days 1 and 2, but no bubbles on day 3. The scientist concludes that the bubbles were caused by photosynthesis. Which substance should be added to the water in order for the bubbles to reappear?
-Carbon Dioxide
3. ATP is
-A form of energy that can be used and stored
4. ATP stores some of the energy from glucose molecules during cellular respiration. How is the remaining energy from these glucose molecules released?
-Excess heat
5. One molecule of glucose is recycled into __ molecules of carbon dioxide during cellular respiration.
-6
6. Which role does photosynthesis play in the flow of energy?
-Photosynthesis converts radiant energy to chemical energy to be used by organisms in the food chain.
7. How does the carbon stored in the bodies of living organisms move into rocks?
-Living organisms decay, releasing carbon into the soil, and soil is compacted into rocks.
8. The nitrogen cycle requires _____ to convert nitrogen to nitrites and nitrates.
-bacteria
9. The three steps of the nitrogen cycle in order, starting with nitrogen gas in the atmosphere, are
-nitrogen fixation, nitrification, and denitrification.
10. How do energy and matter move in ecosystems?
-Energy flows in one direction, and matter cycles through the environment.
11. Which statement is true?
-Food webs are the best depictions of feeding relationships because they show many ways that plants and animals are connected.
I hope this helps! Good Luck!