If you want to know more about birds.

1. By Erin, Paige and Kayla

2. Examples
• Chickens
• Owls
• Hawks
• Toucans
• Robins

3. Domain: Eukarya
Kingdom: Animalia
Phylum: Chordata
Vertebrate Subgroup: Aves

4. Body Characteristics
 Legs and wings
 Feathers
 Lightweight
 Rigid flight skeleton
 A beak instead of teeth.

5. PROCESSES
 Air sacs
 4 chambers
 Ectothermic

6. Processes - Respiration
 Involvingair sacs that store and
move air, but do not participate in
gas exchange.

7. Processes - Heart Structure
 Divided into 4 chambers
 Pumps oxygen because birds have
high energy levels the heart pumps
faster than most mammals.

8. Processes - Endothermic
 Maintain an average body temperature
of 40-44C

9. REPRODUCTION
DEVELOPMENT
FERTILIZATION
 Internal  External
Fertilization Development
 Produces either  Example – Chicken
sperm or egg eggs

10. EVOLUTIONARY MILESTONE
 Endothermy
 Warm blooded
 Ability to stabilize internal temperature-
cool down or produce more body heat