Learn about community patterns and the ecological factors influencing these patterns. Revisit some of the ecosystems you..
The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and..
In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..
Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..