Since the discovery of these structures over a century ago, many functional aspects about them, including biological, chemical, and physical, have been constantly redefined over the years. Funneliform flowers, an example of synorganization in corolla, are known to be a derived trait in angiosperms...
we'll just have to do without (one). 我们要是买不起汽车, 也就只好不用(汽车)了. *| I could have done without being (ie I wish I hadn't been) woken up at 3 o'clock in the morning. 其实
(a) (i) Plants have flowers to attract insects and other animals for pollination. (ii) The flowers are responsible for sexual reproduction in plants. (b) Flowers of certain plants emit aroma in the enviroment to attract insects and other animals for
People have made a survey to colors of more than four thousand kinds of flowers and discovered that only eight of them are black.As we know, sunlight is formed by seven colored lights. The wavelength of each light is also different, so the quantity(量) of heat in each light is also ...
Why do flowers have a scent? Flowers have a scent as a way to attract pollinators, such as bees and butterflies. The scent acts as a signal to these insects that the flower contains nectar, which they can collect and use as a food source. This helps the flower to reproduce and ...
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Take a look at the image above. What do you see? If you're lucky enough to have two functioning eyes and an undamaged brain, you'll say, "a bright white triangle on top of another triangle." But look closer and you'll discover that it's all an optical illusion -- there's no ...
Why do pineapples have small spikes? Why is there no secondary growth in herbaceous plants? Why are small leaves an adaptation in a desert environment? Why do flowers contain more stamen than pistils? Why do leaves change color in the fall? Why do monocots have flower petals in 3s and di...
aThere,in the plot beside the front porch, a colorful congregation of flowers waved merrily in the breeze,a statues of St.Francis presiding over the petals. 正在翻译,请等待...[translate] a宝宝困了我也困了 The baby was stranded me to be also stranded[translate] ...
[#paragraph2]Since wind-pollinated flowers have no need to attract insects or other animals, they have dispensed with bright petals, nectar, and scent. These are at best a waste and at worst an impediment to the transfer of pollen in the air. The result is insignificant-looking flowers and...