| 41. | The genus may have evolved in the subtropics of Asia and subsequently migrated to North America and Europe.
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| 42. | "Claviceps " species from tropic and subtropic regions produce macro-and microconidia in their honeydew.
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| 43. | The subtropics are relatively free of the convection, or thunderstorms, that are common in the equatorial belt.
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| 44. | Conservation initiatives were concentrated in Arabia and scientific publications were primarily concerned with the Old World tropics and subtropics.
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| 45. | Members of this family are found mostly in the tropics or subtropics, and only rarely in temperate zones.
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| 46. | They are part of the Convolvulaceae family, which contains about 500 species, largely in the Tropics and Subtropics.
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| 47. | The parasitic disease can cause disfiguring sores and is endemic in parts of the tropics, subtropics and Southern Europe.
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| 48. | A majority of orchids are perennial epiphytes, which grow anchored to trees or shrubs in the tropics and subtropics.
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| 49. | Horse gram and moth bean are legumes of the tropics and subtropics, grown mostly under dry-land agriculture.
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| 50. | Hot semi-arid climates ( type " BSh " ) tend to be located in the tropics and subtropics.
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