C. To protect the embryo inside. D. To help the seed float in the air. 相关知识点: 试题来源: 解析 C。解析:种子的种皮的作用是保护内部的胚。选项A,胚乳是为发育中的胚提供食物的,不是种皮,A错误。选项B,种皮不能直接参与光合作用,B错误。选项D,种皮没有帮助种子在空中漂浮的作用,D错误。
Seeds are how the life of a plant begins. Examine the process of seed creation, how pollen is spread by pollinators to fertilize seeds, and how...
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Seed Capital vs. Seed Stock Seed stock may also be used to refer to the startup capital a company raises to establish itself. This is more often referred to asseed capital, and often comes from the founders' assets, friends, or family. At times, a company will sell a limited number of...
Check the outside of the bean. The outside of the bean seed is the seed coat. This keeps the two sides together and protects the cotyledons. The bean sheds its seed coat when it germinates, or starts to sprout. The part that curves in and is rough on the bean is the hilum. It'...
Scarification is a treatment where the seed coat is partially removed or damaged to make it easier for the radicle (root) to come out. This video shows you how to scarify seeds. Germination Codes Several organizations have developed germination codes to make it easier for gardeners to know ...
Seeds are often found at the center of fruits. 6 Fruit The result or reward of work or activity. The fruit of his labor was a beautiful garden. 3 Seed Material planted to grow crops or plants. We bought tomato seeds for the garden. 3 Fruit In botany, a fruit is the seed-bearing st...
(botany) Testa; seed coat. Taste The ability to recognize and appreciate what is beautiful, excellent, or appropriate Has good taste in clothes. Test (obsolete) Judgment; distinction; discrimination. Taste The sense of what is proper, seemly, or least likely to give offense in a given social...
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from thehen's downy breast.]F are the Fowls: the hens and thecocks.Take care, my fine birdies, beware ofthe fox.G is the Goat, with two kids youngand gay;They run to their mother, then scam-per away.H is the Horse. so... ...