Reptiles+and+Birds

Hey guys!!! This is Shelly, Andrea, and Kait updating the page so that you can find out anything and everything you want to know about birds and reptiles!!!!!

=Reptiles and Birds=

VOCABULARY //Reptile//- Scaly-skinned vertebrates that breathe with lungs and lay eggs that hatch on land //Ectotherm//- Cold-blooded organism that relies on interactions with the environment to control body temperature //Amniotic Egg//- Self-sufficient developing egg encased in a shell that allows for gas exchange but keeps liquid inside //Air Sac//- In birds, an extension of the respiratory system where air collects //Cloaca//- Body cavity into which the intestinal and genitourinary tracts empty //Gizzard//- Portion of digestive tract where food is ground into small, absorbable particles //Crop//- Widening in the digestive tract for the temporary storage of food //Bird//- Any warmblooded vertebrae of the class Aves, having a body covered in feathers, forelimbs modified into wings, scaly legs, a beak and no teeth and bearing young in a hard-shelled egg //Feather//- (contour, down, powder) a structure forming the principal covering of birds, consisting typically of a hard, tubular portion attached to the body and tapering into a thinner, stemlike portion bearing a series of slender, barbed processes that interlock to form a flat structure on each side //Endotherm//- Organism, such as a bird, that generates and maintains body heat through chemical reactions in the body; warmblooded organism //Alveolus//- Tiny air sac in the lungs appearing in a grapelike cluster surrounding a network of capillaries where gas exchange takes place //Septum//- Dividing wall or membrane (of the heart)