A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..
Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..
Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..