Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..
There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..
This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..