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- 1. Multiple Choice
What do the roots of a tree absorb?
Soil
Water and Nutrients
Insects
All of the above
- 2. Multiple ChoiceThe uppermost level of the forest formed by leafy tree tops. While the _______ shades the lower levels of the forest, its foliage acquires the sun’s energy to support forest life.timberlinecanopyfloorsubflo
- 3. Multiple Choice
Which organelle is responsible for making food (glucose) using sunlight?
Cell Membrane
Nucleus
Chloroplast
Mitochondria
- 4. Multiple Choice
Select all the products of Photosynthesis:
Water
Carbon Dioxide
Oxygen
Sunlight (Light Energy)
Glucose (Sugar/food)
- 5. Multiple Choice
How does most of the water needed by the plant get into its leaves?
It enters through the stomata
The roots absorb it and then it travels up the stem
It's made during a chemical reaction in the leaf
The flowers capture water and deliver it to the leaves
- 6. Multiple Choice
What is the ultimate ORIGINAL source of energy for living things, and especially Photosynthesis:
Sugar
Sun
Moon
Carbon Dioxide
- 7. Multiple ChoiceLeaves look green because.....they eat their vegetablesto blend into their environmentthey contain a molecule named chlorophyllthey are sick
- 8. Multiple ChoiceWhat do plants need for the photosynthesis process?a camera and tripodlight, carbon dioxide, and waterroots, flowers, and beessoil, air, and oxygen
- 9. Multiple Choice
The leaf structure that allows Carbon Dioxide to enter the leaf and Oxygen to exit the leaf is...
phloem
stomata
vein
stem
- 10. Fill in the Blank
Carbon-14 is an __________ of carbon.
- 11. Multiple Choice
Which form of Carbon is the most common in the Earth's atmosphere?
Carbon-14
Carbon-13
Carbon-12
Carbon-11
- 12. Multiple Choice
Carbon-14 bonds with which molecules to form Carbon Dioxide?
Nitrogen
Helium
Oxygen
Carbon
- 13. Multiple Choice
All plants carry out photosynthesis.
True
False
- 14. Multiple Choice
Trees in the understory of a forest receive the most sunlight.
True
False
- 15. Multiple Choice
Plants use some carbon atoms to do what?
Write a letter to their fellow trees
Convert helium to carbon dioxide
Build and repair structures
Send water to the roots
- 16. Multiple Choice
The forest floor is blanketed with what? Check all that apply.
Cotton
Decaying leaves
Wool
Twigs
Fallen trees
- 17. Multiple Choice
A neutral pH has a value of:
3
5
7
9
- 18. Fill in the Blank
A solution that has a pH of less than 7 is:
- 19. Fill in the Blank
A solution that has a pH of more than 7 is:
- 20. Multiple Choice
Seawater can range in pH from what to what?
7.0 - 8.0
7.5 - 8.5
8.0 - 9.0
8.5 - 9.5
- Answer choicesTagsAnswer choicesTags