_____ 38. What is the function of sterile parts?
a. egg transport b. germination c. attraction of pollinators d. ovulation
_____ 39. If the anther of a flower were removed, which of the following would no longer be possible?
a. photosynthesis b. pollen production c. active transport d. fertilization by pollen from any plant
_____ 40. The style is the structure that connects the stigma to the _____.
a. anther b. sepal c. filament d. ovary
_____ 41. A period of decreased activity caused by structural and biochemical changes in a plant is called _____.
a. germination b. auxin c. primary root d. dormancy
_____ 42. Plants can respond to changing environmental conditions by the use of what kinds of chemicals?
a. vascular cambium b. tropisms c. hormones d. kudzus
_____ 44. Which of the following is NOT a cause of leaves changing color in the fall?
a. Days become shorter. b. The tree is getting old.
c. Cooler temperatures cause processes within the leaf to
2007-05-10
10:44:02
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2 answers
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asked by
iloveyou
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Science & Mathematics
➔ Botany