The avian eye can see into the ultra-violet spectrum. What is one of the uses this could serve a bird.
Tracking small mammals by waste products
Courtship displays involving colors that go into UV range
100
True or false?
While birds have a more developed optic lobe vs. reptiles, The reptilian brain's cerebellum is more developed than in birds.
What is False
100
The avian ear has feathers surrounding the outside to protect it, what are these feathers called?
What is Auriculars
100
True or False. Birds do not have enough oldfactory bulbs for sense of smell.
False some birds have a sense of smell comparable to that of some mammals
200
The eye lid functions in protecting the eye, how many eye lids do birds have?
What is 3
200
True or False? Birds never enter REM sleep, only slow-wave sleeping, and intermediate sleeping?
False, REM sleep is seen in birds.
200
The number of bones is one distinguishing difference between birds and mammals. Since mammals have three bones in the ear, then how many do birds have?
What is columella or stapes
200
The semicircular canal regulates balance and spatial orientation in birds, which is essential for flight. Where is it located.
Located inside the middle of the ear.
300
The mammalian eye gets nourishment and oxygen supply from blood vessels. Since the avian eye lacks these blood vessels, then how does it provide oxygen and nourishment to the eye?
What is Pecten
300
List at least two changes to the structure of the brain from reptiles to birds?
Enlarged Cerebral hemisphere, Optic lobe,
300
True or False?
Birds are able to hear ultrasonic sounds, like bats and other mammals?
What is False.
300
Turkey vultures, Kiwis, and Petrels are the only birds that use sense of smell in everyday activities.
False!
One example is the honeyguide.
400
As humans we can focus our vision by cillilary action by conforming the shape of the lens. Birds also conform the shape of the lens to achieve focus, what other way can a bird focus their sight?
What is changing shape of the cornea
400
Though birds have exhibited forms of intelligence, they have never been seen to use tools?
False, Crow have been seen using tools.
400
The columella or stapes is a bone in the avian ear, How does this function in hearing.
transmits sound from eardrum to cochlea.
400
Birds have a the ability to detect flavors such as sweet, sour, salt, bitter, and, lipid and sugar concentrations. Mammals have around 10,000 taste buds how many are seen in birds such as a chicken.
A)100,000
B)1,000
C)24
D)100
24
500
Crampton's muscle and Brucke's muscle both function in achieving focus. How do these muscles achieve this?
What is Crampton's muscles attach to the cornea to change its shape
Bruke's muscles attach to the lens to change its shape.
500
The hyperpallium in the forebrain of birds are the center of _______.
What is Intelligence
500
The cochlea is a fluid filled chamber in the inner ear. This fluid plus _______ help monitor vibration and encode them into a temporal sequence of nerve impulses the brain can read.
What is hair cells.
500
What are some ways birds navigate direction during seasonal migrations.
1) Magnetic information
2) Learned routes by landmarks