OCR Text |
Show Beekeeping for honey (apiculture) (apicul-ture) was an important branch of agriculture In some countries in ancient times, but is only a tiny percentage in the modern economy econo-my About five per cent of school-age school-age boys show evidence of color deficiency or color blindness. Only about one per cent of the girls have the same trouble. Male birds do not sing for the Joy of singing, but to attract mates and announce their property prop-erty rights. The cardinal is one of few species whose females sing. |