Nature Articles

• Fisheries
  Fish
  Wild Animals
  New Species
  Zoology
  Nature
   
  

  Symbiosis

  Symbiosis is an interaction between two organisms living together in more or less intimate association or even the merging of two dissimilar organisms. Symbiosis may be divided into two distinct ... > more
• Pollution
  Environmental Issues
  Air Quality
  Air Pollution
  Environmental Science
  Healthy Aging
   
  

  Pollution

  Environmental pollution is the release of environmental contaminants, generally resulting from human activity. Carbon monoxide, sulfur dioxide and nitrogen oxides produced by industry and motor ... > more
• Fossils
  Geography
  Geology
  Origin of Life
  Extinction
  Environmental Policy
   

  Paleozoic

  The Paleozoic Era is a major division of the geologic timescale, one of four geologic eras. The Paleozoic includes six geologic periods; from oldest to youngest -- the Cambrian, Ordovician, Silurian, ... > more
• Endangered Plants
  Botany
  Veterinary Medicine
  Frogs and Reptiles
  Sports Medicine
  Invasive Species
   
  

  Poison Sumac

  Poison Sumac (Toxicodendron vernix or Rhus vernix) is a woody shrub growing to 3 m tall. All parts of the plant contain a toxic resin called urushiol that causes skin and mucous membrane irritation ... > more
• Trees
  Botany
  Nature
  Seeds
  Fish
  Ecology Research
   
  

  Sequoia

  Sequoia is a genus in the cypress family Cupressaceae, containing the single living species Sequoia sempervirens. Common names include Coast Redwood and California Redwood. It is an evergreen, ... > more
• Global Warming
  Environmental Issues
  Climate
  Environmental Policy
  Nature
  Air Quality
   
  

  Greenhouse gas

  Greenhouse gases are components of the atmosphere that contribute to the greenhouse effect. Some greenhouse gases occur naturally in the atmosphere, while others result from human activities such as ... > more
• Exotic Species
  Invasive Species
  Ecology Research
  Ecology
  Geography
  Water
   
  

  Zebra mussel

  The Zebra mussel (Dreissena polymorpha) is a bivalve mussel native to freshwater lakes of southeast Russia. Zebra mussels are currently causing serious problems in North America and Sweden, where ... > more
• Mammals
  Endangered Animals
  Nature
  Wild Animals
  Mating and Breeding
  Extinction
   
  

  Tasmanian Devil

  The Tasmanian Devil, also referred to simply as 'the devil', is a carnivorous marsupial now found only in the Australian island state of ... > more
• Microbiology
  Agriculture and Food
  Ecology Research
  Pests and Parasites
  Life Sciences
  Soil Types
   
  

  Protozoa

  Protozoa are single-celled eukaryotes (organisms whose cells have nuclei) that commonly show characteristics usually associated with animals, most notably mobility and heterotrophy. They are often ... > more
• Healthy Aging
  Attention Deficit Disorder
  Microbes and More
  Microbiology
  Sports Medicine
  Bacteria
   
  

  Microorganism

  A microorganism (also spelled as microrganism) or microbe is an organism that is microscopic (too small to be seen by the human eye). The study of microorganisms is called microbiology. ... > more

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