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。
What is the body covering of a dog? What is a horse? What do Canidae eat? What are the Pyrenees famous for? What do all Canidae have in common? What is veterinary science? What is a snaggletooth? What is the seed coat? What is phytoalexin?
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 seeds grow into mature plants, sometimes with the help of humans and other animals. What Is a Seed? If you have ever eaten an apple or a...
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(a) What is the function of the seed coat? (b) What is the benefit of the stored carbohydrates in the seed? Describe the process of germination of a seed. Seeds are a source of energy for consumption. Why do plants stock up food in the seeds?
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What is the body covering of a dog?Dogs:Dogs are mammals with the scientific name Canis familiaris, also known as canines. These mammals take on many different shapes and sizes. A dog's height can range from 6 to 33 or more inches, and its weight can range anywhere from 3 to 175 ...
Stratification is a treatment that involves temperature and or water. 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 ...
What does a seed contain ? View Solution What is an ionosphere? What does it contain ? View Solution What are porins? What role do they play in diffusion? View Solution What ae grana? What role do they paly? View Solution What is meant by 'symptoms' of a disease? What do they indica...
Oak is a type of tree that belongs to the taxonomic genus Quercus. Some common varieties that are found in North America are red oak, white oak and black oak. These species are often used for their wood. Seeds:There are three basic types of plants, those that do not produce seeds, ...