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_____ 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 · 2 answers · asked by iloveyou 2 in Science & Mathematics Botany

2 answers

38---Attraction of pollinators.

39--- Pollen production.

40---- Ovary.

41-----Dormancy.

42---hormones

44----Trees getting old

2007-05-13 18:08:07 · answer #1 · answered by Anonymous · 0 0

38 C. Petals are brightly colored to attract pollinators.
39 B. The anthers are the pollen-making parts. But notice that d. is still possible because pollen could come from another plant.
40 D. The parts of the pistil from top to bottom are stigma, style, ovary.
41 D. Dormancy
42 C. Hormones are plant chemicals that regulate responses.
44 D. This happens in young and old trees.

2007-05-10 10:52:42 · answer #2 · answered by ecolink 7 · 0 0

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