Biodiversity Articles

• Dolphins and Whales
  Fish
  Mammals
  Animals
  Sea Life
  Endangered Animals
   
  

  Whale shark

  The whale shark (Rhincodon typus) is a distinctively-marked member of the subclass Elasmobranchii of the class Chondrichthyes. It is the largest shark and also the largest ... > more
• Exotic Species
  Invasive Species
  New Species
  Fish
  Geography
  Ecology Research
   
  

  Channidae

  The snakehead is a family with two genera (Asia: Channa, Africa: Parachanna) which consists of 30 scientific valid species of freshwater fish. The predatory fish is distinguished by a long dorsal ... > more
• Nature
  Ecology
  Ecology Research
  New Species
  Exotic Species
  Extinction
   
  

  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
• Acid Rain
  Air Pollution
  Pollution
  Air Quality
  Soil Types
  Forest
   
  

  Acid rain

  Acid rain is defined as any type of precipitation with a pH that is unusually low. Dissolved carbon dioxide dissociates to form weak carbonic acid giving a pH of approximately 5.6 at typical ... > more
• Fish
  Fisheries
  Marine Biology
  Sea Life
  Wild Animals
  Zoology
   
  

  Fish

  Fish are aquatic vertebrates that are typically cold blooded, covered with scales, and equipped with two sets of paired fins and several unpaired fins. Fish are abundant in the sea and in ... > more
• Dinosaurs
  Geography
  Environmental Policy
  Charles Darwin
  Origin of Life
  Paleontology
   

  Jurassic

  The Jurassic period is a major unit of the geologic timescale that extends from about 200 Ma (million years ago) at the end of the Triassic to 146 Ma at the beginning of the Cretaceous. The Jurassic ... > more
• Insects (including Butterflies)
  Trees
  Exotic Species
  Invasive Species
  Forest
  Zoology
   
  

  Gypsy moth

  The gypsy moth, Lymantria dispar, is a moth of European origin. Gypsy moth larvae prefer hardwoods, but may feed on several hundred different species of trees and shrubs. In the East the gypsy moth ... > more
• Tundra
  Geography
  Animals
  Mammals
  Endangered Animals
  Fish
   
  

  Arctic fox

  The Arctic fox, also known as the polar fox, is a small fox native to cold Arctic regions of the Northern Hemisphere. It is common in all three tundra biomes. The Arctic fox has evolved to live in ... > more
• Nature
  Oceanography
  Ecology
  Marine Biology
  Earth Science
  Global Warming
   

  Ocean acidification

  Ocean acidification is the name given to the ongoing decrease in the pH of the Earth's oceans, caused by their uptake of anthropogenic carbon dioxide from the atmosphere. Between 1751 and 2004 ... > more
• Hurricanes and Cyclones
  Severe Weather
  Storms
  Geography
  Tornadoes
  Oil Spills
   
  

  Hurricane Opal

  Hurricane Opal was a major hurricane that formed in the Gulf of Mexico in September 1995. It struck the Yucatán Peninsula, then churned in the Gulf before making landfall a second time on the ... > more

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