You will also like...
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..
Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..
ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..