Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..
Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..