I grow sunflowers in my garden for several years now and it alwaysfollow sunrise from east to west each day, but what I would like toknow is, do they slowly unwind during the night so that at sunrisethey
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Fire is a common occurrence in prairie grasslands. What do you think would happen to a grassland area if fire were excluded for many decades?
A. some trees would slowly begin to appear. | ||||||||||||||||
B. there would be no change. | ||||||||||||||||
C. it would become a desert. | ||||||||||||||||
D. it would slowly turn into a tropical rainforest If you examine plant life in a very arid place like deathvalley, you may find some herbaceous desert plants that do not have any anatomical features for water conservation. How would you expect this as someone who has studied botany?
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Chlorophyll is a pigment that absorbs specific wavelengths of light, and the absorption of that light leads to the passage of electrons to a higher energy state, where chemical energy can then be harvested from them. You would expect that a plant exposed to which color of light would produce the most photosynthesis?
green |
orange |
yellow |
blue |
Which color of light would you expect chlorophyll to absorb the least?
green |
red |
yellow |
blue |
Most plants are green because....
chlorophyll absorbs green light well |
chlorophyll does not absorb green light well |
chlorophyll reflects green light well |
both of the last two answers are correct |
Thinking about the gases involved in respiration and photosynthesis, during the day, a plant is producing____ from respiration and releasing_____ from photosynthesis. But at night, a plant is only producing_______ from respiration.(spell your answers out completely).
Plants perform cellular respiration to produce.......
ATP |
NADPH |
sugar |
oxygen |
Which of the following is true about plants and cellular respiration?
plants perform cellular respiration only during the night |
plants perform cellular respiration only during the day |
plants perform cellular respiration during the night and day |
plants do not perform cellular respiration |
Which of the following is true regarding plants and photosynthesis?
plants perform photosynthesis only during the night |
plants perform photosynthesis only during the day |
plants perform photosynthesis during the night and day |
plants do not perform photosynthesis |
Is it possible for this plant to consistently do more cellular respiration than photosynthesis?
yes, plants use excess ATP for growth |
yes, but only during winter months |
not today, but fossil records shows they did in the past |
no, plants can't consume food faster than they make it |