kingdom animalia phylum chordata class mammalia n.
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Life Processes - Bat - PowerPoint PPT Presentation


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KINGDOM:  Animalia PHYLUM:  Chordata CLASS:  Mammalia. Life Processes - Bat. Bat. Movement. Flight Only mammal that can achieve sustained flight Wings – webbed forelimbs; membrane is VERY elastic

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Presentation Transcript
movement
Movement
  • Flight
    • Only mammal that can achieve sustained flight
    • Wings – webbed forelimbs; membrane is VERY elastic
    • Digits – bones periodically spaced out among the wing flap; fan-shaped; very flexible due to low calcium levels
body covering
Body Covering
  • Fur
  • Membrane between digits - flexible
support
Support
  • Skeleton: fingers, humerous, radius, ulna, skull, spine, thumb, elbow joint
  • Digit bones are very flexible due to lack of calcium
nutrition
Nutrition
  • Bugs - consumes 1/3 of it’s body weight in bugs each day.
  • Fruit
  • Water – drink by skimming across surface water and then licking fur
  • Two sharp teeth to puncture through hard shell of insect
respiration
Respiration
  • Breath air
circulation
Circulation
  • Standard circulatory system; warm-blooded
  • Heart is extremely large compared to size of body; beats 1400 beats per minute down to 20 beats per minute depending on species
  • Because Bats hang upside down they have one-way valves in their arteries as well as their veins to help pump the blood through their body.
  • Valves will close to retain blood in body during inactivity to retain body heat or radiate heat from the body while extremely active such as flying
excretion
Excretion
  • Guano - Bat feces so rich in nutrients that they mine it an use it as fertilizer.
responses
Responses
  • Echolocation – Bats use sonography to create a mental picture of what is in front of them.
  • Eyes – bats can see quite well
  • Hibernation during cold months
  • Touch receptors to help fine tune flying and catching insects
reproduction
Reproduction
  • Live birth
  • Feed their young through mammary glands