chordate phylum animal kingdom subphylum vertebrata jawless fish cartilaginous fish bony fish...
TRANSCRIPT
Chordate Phylum
Animal kingdom
Subphylum Vertebrata
Jawless Fish
Cartilaginous Fish
Bony Fish
AmphibiansBirds
Mammals
Reptiles
Power of Flight “ birds occupy a greater range of habitats than
any other class of organism, plant or animal”
Adaptations for Flying
• Skeletal system (hollow bones, thin skull)• Integument -- Feathers• Respiratory System -- Air sacs
“supercharged” lungs • Excretory System -- no urinary bladder• Reproduction -- no live young • Digestive System -- gizzard eliminates the
need for jaws
Circulatory System
• 4 Chambered Heart
• Large heart size compared to body size
(40 to 100% larger than mammals the same size)
• Rapid heartbeat-- hummingbirds = 1000 beats/ minute
Hummingbirds
• 15-80 wing flaps in 1 second
• Courtship wind flaps go up to 200/ second (depending on species)
• 2,500-12,000 times per minute
Digestive System
• Gizzard removes the need for jaw bones
• Rapid digestive system for extremely high energy needs
Adaptations for FlyingSummary
• Skeletal system (hollow bones, thin skull)
• Integument -- Feathers
• Respiratory System -- Air sacs “supercharged” lungs
• Excretory System -- no urinary bladder
• Reproduction -- no live young
• Digestive System -- gizzard eliminates the need for jaws
• Circulatory system – large heart, rapid beat..