prognathous (Science: anatomy) Having the jaws projecting beyond the upper part of the face; opposed to orthognathous. See gnathic index, under Gnathic. Their countenances had the true prognathous character. (Kane) Origin: Gr. Before – the jaw...
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..
Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics – Definition: Heredity and ..
Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..
Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..
