Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..
Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..
Proteins have a crucial role in various biological activities. Get to know how proteins are able to perform as enzymes, ..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..