(biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level; he proposed an indicator of osseous development in children...
Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..
Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..
Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..
There are many environmental factors that arise due to the usage of water in one way or another and for every action tha..
