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- 1. Multiple Choice
Green plants and algae make their own food through photosynthesis. What is photosynthesis?
a cell process that uses energy from sunlight to convert water and oxygen into food
a cell process that uses energy from sunlight to convert water and glucose into food
a cell process that uses energy from sunlight to convert water and chlorophyll into food
a cell process that uses energy from sunlight to convert water and carbon dioxide into food
- 2. Multiple Choice
Plants absorb and store some of the energy in sunlight through a process called …
Cellular respiration
Photosynthesis
Carbon Cycle
Decomposer
- 3. Multiple Choice
What is the function of the mitochondria?
To protect the nucleus
To supply energy for the cell via cellular respiration
To digest food
To carry out photosynthesis
- 4. Multiple Choice
The ______________ is the cellular organelle that converts glucose into ATP, a chemical form of energy the cell can use.
Chloroplast
Chlorophyll
Mitochondria
Nucleus
- 5. Multiple Choice
Can organisms absorb nitrogen gas directly out of the atmosphere?
Yes
No
- 6. Multiple Choice
_______________________ converts nitrogen into a form that plants can absorb.
Denitrifying bacteria
Nitrogen fixing bacteria
Decomposers
- 7. Multiple Choice
How do animals obtain nitrogen stored in plants?
Denitrifying bacteria
Nitrogen fixing bacteria
Directly from the atmosphere
They eat the plants
- 8. Multiple Choice
Where can you find carbon?
Only in the Earth's atmosphere
Inside all water molecules
Inside the sun
Inside every living thing on Earth
- 9. Multiple Choice
Carbon moves from fossil fuels to the atmosphere when fuels are burned.
True
False
- 10. Multiple ChoiceWhen humans burn fossil fuels, most of the carbon quickly enters the as carbon dioxide.WaterAtmosphereSunAir
- 11. Multiple ChoiceHow do living organisms return carbon to the atmosphere in the carbon cycle?respiration and photosynthesisdecomposition and respiration
- 12. Multiple ChoiceOrganisms that play a role in the nitrogen cycleonly plantsonly animalsonly bacteriaplants, animals, & bacteria
- 13. Multiple ChoicePlants and animals need nitrogen to make __________.ProteinCarbohydratesLipidsNucleic Acids
- Answer choicesTagsAnswer choicesTags