Sixteen chemical elements are important in which carbon, hydrogen, and oxygen are supplied by air and water, which comprise about 98% of the fresh weight of the plant, at least 13 other chemical elements, called the essential inorganic nutrients, are needed for plant's growth and survival.he inorganic material obtained from soil which are used as raw material by plants are called mineral nutrients. Absorption utilization and assimilation of inorganic compound or minerals by plants for synthesis of essential material for their growth, development, structure and physiology is called mineral nutrition.
show more Sperm production in males occurs: (1) with the meiotic process. (2) in the testes. (3) in the seminiferous tubules. (4) throughout the life of the male. (5) all of these are correct. Which of the following is primarily responsible for providing mucous secretions to lubricate the path of sperm... show more Sperm production in males occurs: (1) with the meiotic process. (2) in the testes. (3) in the seminiferous tubules. (4) throughout the life of the male.
Sperm cells are carried out of the male body in a fluid known as semen. Human sperm cells can survive within the female reproductive tract for more than 5 days post coitus. Semen is produced in the seminal vesicles, prostate gland and urethral glands.perm is the male reproductive cell and is derived from the Greek word (ÏÏÎ­ÏÎ¼Î±) sperma (meaning seed). In the types of sexual reproduction known as anisogamy and its subtype oogamy, there is a marked difference in the size of the gametes with the smaller one being termed the male or sperm cell.