This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..
Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..
This tutorial elucidates body temperature regulation. Know the details here to learn how the body sets the body temperat..
The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..
Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..