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Circadian rhythm
A circadian rhythm is a roughly 24 hour cycle in the physiological processes of living beings, including plants, animals, fungi and cyanobacteria. In a strict sense, circadian rhythms are ... > more -
Global warming
Global warming refers to the increase in the average temperature of the Earth's near-surface air and oceans in recent decades and its projected continuation. The global average air temperature ... > more -
Vector (biology)
Traditionally in medicine, a vector is an organism that does not cause disease itself but which spreads infection by conveying pathogens from one host to another. Species of mosquito, for example, ... > more -
Slash and burn
Slash and burn (a specific practice that may be part of shifting cultivation or swidden-fallow agriculture) is an agricultural procedure widely used in forested areas. Although it was practised ... > more -
Mountain Zebra
Mountain Zebra consist of two species, namely the Cape Mountain Zebra (Equus zebra) and the Hartmann's Mountain Zebra (Equus hartmannae). Previously they were seen as two subspecies of the Mountain ... > more -
African Wild Dog
The African Hunting Dog, also called African Wild Dog, is a mammal of the Canidae family, and thus related to the domestic dog. It is the only species in its genus, Lycaon. They are, as their name ... > more
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