QUESTION 13 Which of the following is an example of organ reduction that most bi

Question

QUESTION 13 Which of the following is an example of organ reduction that most birds have? O No urinary bladder O small kidneys O No pancreas O Small stomach QUESTION 14 Which part of the avian digestive system acts as a replacement for teeth by mechanically grinding their food for them? O Crop O Gall bladder Gizzard Proventriculus QUESTION 15 Which of the following statements about avian sensation is correct? O Ducks with eyes on the side of their heads use binocular vision. O Bar-tailed godwits use infrasound to detect underground prey during migration. O Auklet seabirds use olfaction as a cue during courtship. O owls have symmetrical skulls to help pinpoint a source of sound.

Explanation / Answer

13. They don't have bladder. They have cloaca.

So the answer is no urinary bladder.

14. Birds have gizzard which help in digestion of food. It is replaced by teeth. It has hard gritty structure which help in breaking it down.

15. Auklets sea bird use olfaction.

They intertwine their neck during courtship.

10. It will be a theropod.

Theropod are dinosaurs having bird like characteristics.

11. Furcula or wish bone

This is present in most birds and dinosaurs.

12.

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