下面为大家整理的是以字母V开头的SAT2生物考试中常用词汇。掌握一定的生物词汇是备考SAT2的首要前提。所以，各位考生一定要多加重视词汇的积累，预祝各位考生考试成功。

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)

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.

以上就是关于SAT2生物考试常用词汇的全面内容，是以V开头的。各位考生可以作为备考时的参考资料，希望对各位考生的SAT2考试有所帮助。

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