With regard to the population size of a species and what factors may affect them, two factors have been defined. They are the density-dependent factors and the density-independent factors. Find out the differences between the two in this tutorial. Know how these factors affect populations in an ecosystem...
New Zealand is known for its unique biodiversity, caused by its remarkable geography and geologic history. Breaking away from the supercontinent Gondwana about 80 million years ago, it has developed a distinct flora and fauna as a result of long geological isolation. Thus, many fascinating plants and animals are found nowhere else but in New..
Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood disorder, obsessive and compulsive disorder, phobias, and other mental disorders...
This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perception in action, spatial awareness, and illusions. A better grasp of these aspects is useful in understanding how the mind works...
Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the real deal. Learn more information on illusions and mind trickery in this tutorial...
Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adaptations of plants in terms of structure (e.g. stomata) and physiological mechanisms (e.g. root pressure, capillarity, transpiration pull, curving of leaves, etc.) that enabled them to maintain the appropriate water level...
