You will also like...
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
There are many environmental factors that arise due to the usage of water in one way or another and for every action tha..