(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...
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..
Proteins and minerals can be derived from various dietary sources. They are essential for the proper growth and developm..
This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..
The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..
