SAT2生物专业词汇VWXZ.

　　下面为大家整理的是关于SAT2生物专业词汇中以字母VWXZ为开头的相关词汇，非常详细。大家在备考自己的SAT2生物考试的时候，可以把份词汇作为查缺补漏的单词表，也可以作为备考前期的准备进行参考。一起来看看详细内容吧。更多SAT备考资料请点击

　　V

　　vascular cambium(维管形成层)

　　Tissue that produces new vascular cells; lies between the xylem and phloem in dicot stems.

　　vascular tissue(维管组织)

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　　A conductive component (either xylem or phloem) of the vascular system that transports food and nutrients throughout the plant body.

　　vegetative propagation(营养繁殖)

　　A form of asexual reproduction in which plants produce genetically identical offshoots (clones) of themselves, which then develop into independent plants.

　　Vein(静脉)

　　A blood vessel that carries blood back to the heart. The blood in veins is not oxygenated, with the exception of the pulmonary vein.

　　Vertebrate(脊椎动物)

　　An animal that has a skeletal rod of bone or cartilage running up its back, surrounding the nerve cord. Segments of this rod are called vertebrae. All vertebrate animals belong to subphylum Vertebrata, part of phylum Chordata.

　　vestigial structures(残留器官)

　　Bodily structures that developed in the past but no longer serve any function for an organism.

　　Villi(肠绒毛)

　　Fingerlike projections in the small intestine that increase surface area and maximize the absorption of nutrients.

　　Vitamins(维生素)

　　Complex molecules that usually serve as coenzymes, assisting in physiological processes.

　　W

　　warm-blooded(温血动物)

　　Animals that have developed fat and fur, hair, or feathers in order to retain heat produced by metabolic activities. Also known as endothermic. Warm-blooded animals are able to thrive in various climates, because they are minimally affected by environmental fluctuations in temperature.

　　X

　　Xylem(木质部)

　　Vascular tissue composed of cells that are dead at maturity; transports water and dissolved minerals upward from the roots to the shoot.

　　Z

　　Zygote(受精卵)

　　In sexual reproduction, the diploid product of the fusion of the father’s haploid sperm cell and the mother’s haploid ovum (egg) cell. The single-celled zygote divides billions of times to form a whole individual.

　　以上就是以字母VWXZ开头的SAT2生物专业词汇的全部内容,包括了详细的汉语翻译和英语含义解析。大家在备考SAT2生物考试的时候，重要的一个备考项目就是记忆相当数量的专业词汇。所以对于上面列举的这些单词，大家一定要在备考中加以熟悉和记忆。

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