Wishbones are fused collar bones that support the wings.
Respuesta
True
False
Pregunta 4
Pregunta
What is the pygostyle?
Respuesta
A gland that secretes glands to keep the feathers waterproof
A structure at the end of the back bone
Pregunta 5
Pregunta
Hollow bones are reinforced by what?
Respuesta
Internal criss-crossing
oxygen
small papilla in the bones
Pregunta 6
Pregunta
Pneumatic bones have what?
Respuesta
Hallow air spaces
pneumonia
Pregunta 7
Pregunta
How many neck bones does a bird stereotypically have?
Respuesta
13-25
30-60
10-16
Pregunta 8
Pregunta
Tick the following that a bird does have.
Respuesta
Lungs
Air sacs
Diaphram
Pregunta 9
Pregunta
Birds have a complex arrangement of blood vessels through the lungs to aid 02 dispersal and a unidirectional air flow to maximise oxygen intake...true or false.
Respuesta
true
false
Pregunta 10
Pregunta
What are the benefits of contour feathers?
Respuesta
Streamline
Barbs seal so air cannot pass through until the bird pushes their wing up and allows air through
looks lit
Pregunta 11
Pregunta
Pick the correct combination. Bald eagles have...
Respuesta
272g of feathers and 677g of bones
200g feathers and 700g bones
Pregunta 12
Pregunta
Eagles wings are concave in shape on the underside and convex on the upper side. Air traveling over wings has a greater distance to travel, this creates lift whilst the underside is slowed and creates pressure to push up the wing.
Respuesta
True
False
Pregunta 13
Pregunta
bats have elongated what?
Respuesta
Metacarples and finger bones.
leg bones
femur and humorous
Pregunta 14
Pregunta
What is the paragium
Respuesta
Thick leathery skin
Extended nose tissue to echolocate
Pregunta 15
Pregunta
what bat is very agile and can be found in North Africa, south west asia and Europe?