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biology

QuestionAnswer
aorta of aves only right aorta and bends backwards
rataitae or running birds penguin hen ostrich kiwi
features that help aves to fly feathers air sockets absence of urinary bladder
eggs characteristics large with much yolk
reproduction in aves internal fertilization lay eggs sexes separate only one oviduct and ovary are functional
gizzard crushes food in aves
what is syrnix it is the voice box in aves
respiration and metabolism endothermic warm blooded respiration by lungs
body division and parts head neck trunk tail,neck is long tail is short
two pairs of pendactyl limbs forelimbs form wings hind limbs are strong and adapted for perching swimming etc each foot bears 4 toes armed with horny claws
further structures skin consists of feathers all over and scales on feet skull has sockets and beak without teeth
excretory system cloaca opening two kidney and ureters no urninary bladder semi solid uric acid
Created by: sundas bano
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