Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..
Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..
This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize your..
The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and..
Learn about community patterns and the ecological factors influencing these patterns. Revisit some of the ecosystems you..