Bio test (19)

• Bird groups based on habitat, behavior, and appearance

  • Raptors
  • Shorebirds
  • Seabirds
  • Wading birds
  • Flightless Birds
  • Hummingbirds
  • Game birds
  • Waterfowl
  • Perching Birds
• Raptors


  • Red-tailed hawks
• Shorebirds


  • Spotted Sandpiper
• Seabirds


  • Herring gull
• Wading birds


  • The great egret
• Flightless Birds


  • Emu
• Hummingbirds


  • Rufous hummingbird
• Game birds


  • Ruffed grouse
• Waterfowl


  • Hooded merganser
• Perching Birds


  • Indigo bunting
• General categories of wings

  • High-lift
  • High-speed
  • Elliptical
  • Soaring
• How a bird breathes

  1. Air moves into the posterior air sacs

  2. Air exhales into the lungs

  3. Air sacs move out of the lungs and into the anterior air sacs

  4. Air from the atmosphere rushes to refill the posterior air sacs
• How birds reproduce


  1. Internal fertilization passes down male reproductive tract

  2. Egg passes out of the body through the cloaca
• Diaphragm


  • A large muscle that separates the thoracic cavity
  • It holds the lungs and heart from the abdominal cavity holding the digestive organs
• Mammal reproduction


  Viviparous - egg is fertilized by sperm inside the mothers body and the zygote is nourished by yolk until it begins to attach to its mother's uterus
• __f__ Endotherms have little need of insulation since they produce body heat through metabolic processes

  __f__ Raptors must hunt slow-moving prey because their large size and weight slows them down

  __t___ Elliptical wings are designed more for maneuverability then for speed

  __f__ Most male birds are silent during courtship

  __t__ A migratory bird must have two suitable habitats to survive
• __f__ The order of trunked mammals has a greater number of species than most other orders in class Mammalia.

  __t__ Carnivores usually have eyes in the front of their heads

  __f___ The mammalian embryo is connected to its mother’s placenta by the uterus

  __t___ Mammals have been domesticated more than other vertebrates