Biodiversity

• BIODIVERSITY:

  is the variety of life on Earth and the essential interdependence of all living things
• 3 COMPONENTC OF DIODIVERSITY:

  1. Biological diversity
  2. Cultural diversity
  3. Economic diversity
• DIVERSITY OF GENES:

  Chihuahuas, beagles, and rottweilers are all the same species — but they're not the same because there is variety in their genes.
• DIVERSITY OF NUMBER OF SPECIES:

  For example, monkeys, dragonflies, and meadow beauties are all different species.
• VARIETY OF ECOSYSTEM:

  The variety of ecosystems in a region. Lakes, Ponds, and Rivers are all Freshwater Ecosystems. Rocky coast, Sand Dune, Estuary, Salt Marsh , Coral Reef are all Marine Ecosystems.
• ECOSYSTEM:

  A biological community of interacting organisms and their physical environment.
• HABITAT:

  This is the physical and chemical description of where a creature lives...
• TYPES OF HABITATS:

  1. Coastal
  2. Freshwater
  3. Arid
  4. Polar
  5. Forest
  6. Urban
• ARCTIC OCEAN:

  is the habitat of the polar bear Ursus maritimus.
• A SPECIES DIFFICULT TO DESCRIBE:

  1. A group of morphologically similar creatures
  2. Creatures who are related through PHYLOGENY
• A GROUP OF MORPHOLOGICALLY SIMILAR TO CREATURES WHICH CAN:

  • Interbreed to produce fertile offspring
  • Are reproductively isolated
  • Extinct creatures
  • Creatures who breed asexually
  • Creatures who can’t be tested ethically
• CREATURES WHO ARE RELATED THROUGH PHYLOGENY:

  • Similar DNA
  • Similar structure
  • Similar embryology
• THREATS TO BIODIVERSITY:

  • Habitat destruction
  • Pollution
  • Species Introductions
  • Global Climate Change
  • Exploitation