You will also like...
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..
The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..
For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..
Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..
The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..