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.
Full transcript. The sperm race begins Ejaculation The race resumes A man's penis releases around 20 million sperm into the woman's vagina, where they then begin their journey.Around 2,000 sperm then travel up to the top of the vagina and through the cervix.aiting for the egg When the sperm are awakened they travel to egg and the race resumes. Time to be born The mother's Muscles contract to push the baby out. The amnion sack breaks ('water' breaks). The head moves into the entrance of the vagina.