Browse Reference Articles
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Animal husbandry
Animal husbandry is the agricultural practice of breeding and raising livestock. As such, it is a vital skill for farmers and, in some countries in many ... > more -
West Nile virus
West Nile virus is a virus of the family Flaviviridae, found in both tropical and temperate regions. It mainly infects birds, but is known to infect humans, horses, cats, bats, chipmunks, skunks, ... > more -
Frog zoology
About 400 million years ago, some members of the sarcopterygian group of fish moved onto land. These became the first amphibians. Today, these animals still spend part of their lives in water and ... > more -
Extinction
In biology and ecology, extinction is the cessation of existence of a species or group of taxa, reducing biodiversity. The moment of extinction is generally considered to be the death of the last ... > more -
Ecological niche
In ecology, a niche is a term describing the relational position of a species or population in an ecosystem. More formally, the niche includes how a population responds to the abundance of its ... > more
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