Term
1. What are tropisms? Give an example of one.
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Definition
1. Tropisms are plant responses to stimuli. Some examples are: gravitropism, phototropism, and hydrotropism. |
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Term
2. How do auxins help plants grow toward the light?
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Definition
2. Auxins move to the side of the plant opposite the light (the dark side), which causes the plant to bend in the direction of the light.
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Term
3. Compare the way vines and trees compete for sunlight.
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Definition
Vines climb the trunks of trees to get their share of sunlight. Trees grow tall and spread their branches, forming leafy canopies above the forest.
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Term
4. INQUIRY SKILL Experiment How would you design an experiment to see if the changing temperature of the changing amount of daylight plays a bigger part in why leaves change color in autumn?
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Definition
4. Design a separate experiment for each variable. If changing temperature is critical, give all plants equal daylight but different temperatures. If changing daylight is critical, keep all plants at same temperature but give different amounts of light. |
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Term
5. Critical Thinking What do you think might happen if all plants bloomed at the same time?
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Definition
5. Possible Answer: All the plants would have to compete for nutrients, water, sunlight, and pollinators at the same time.
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