dinosaur flight wings Flashcards

test

1
Q

what is designed to maximize lift and minimize drag

A

a wing

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2
Q

what is ratio of the wing length to the wing width

A

aspect ratio l/w

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3
Q

what wing type has high aspect ratio

A

long narrow wings

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4
Q

what does high wing aspect ratio provide

A

high lift to drag

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5
Q

what are long narrow high aspect ratio wings ideal for?

A

gliding

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6
Q

which bird uses less energy long winged or short winged?

A

long winged birds

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7
Q

long wing birds use ……………… energy

A

less

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8
Q

what kind of place is long wing ideal for?

A

open spaces

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9
Q

which type of wings are structurally weak? long or short?

A

long wings are structurally weak

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10
Q

which wing type has difficulty taking off long or short?

A

long wings have difficulty taking off

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11
Q

what type of wing has low aspect ratio? length/width

A

a short wing

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12
Q

what to short wings (broad ,wide)

A

rapid power lift

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13
Q

what do short low aspect ratio wings provide?

A

high degree of maneuverability

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14
Q

What type of wing is a good glider?

A

high aspect long wing

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15
Q

what type of wing is quick lift highly maneuverable?

A

low aspect short wing

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16
Q

what type of environment are short wings ideal for?

A

one with numerous obstructions like forests tree branches

17
Q

which type of wing is capable of sophisticated acrobatics?

A

short wing low aspect ratio

18
Q

What two type of flyers developed?

A
  1. gliders 2. powered flight
19
Q

What 4 physical characteristics are prerequisites for powered flight? hint (A-APE)

A
  1. air foil (wing)
  2. agile (fine muscle coordination
  3. Powerful muscles
  4. enhanced sensory capabilities
20
Q

what does pterosaurs mean (translate)

A

winged reptiles

21
Q

describe pterosaur neck

A

long neck

22
Q

describe pterosaur body

A

short

23
Q

describe pterosaur head

A

large head

24
Q

describe pterosaur jaws

A

pointed

25
Q

What was pterosaur hand like?

A

a. deep claws
b. 3 grasping fingers
c. elongated 4th digit (finger) supported wing membrane flap

26
Q

what was pterosaur bones like

A

hollow so weighed less

27
Q

Were hip bones free to move?

A

no fused together

28
Q

What was the tail made of , cartilage?

A

no the tail was ossified bone

29
Q

What new wrist element did pterosuar have?

A

pt eroid that supported wing membrane

30
Q

What additional part did pelvis have?

A

prepubis supported gut

31
Q

What strengthened the skeleton for landing?

A
fused vertebrae (dorsal) called 
a. notarium  b. synascum
32
Q

What are the two subdivisions of Pterosaur?

A
  1. rhamphorhynchiden 2. pterodactylia
33
Q

The tail and 5th digit (claw),
jaw, nasal skull opening,
neck vertebrae bones hand bones (metacarpus )
2 subdivisions are all ?

A

different from the other

34
Q

Which of the 2 pterosaur subdivision has short tail and short 5 th digit (claw)

A

pterodactylia

35
Q

Which of the 2 ptersaur subdivision has long hand bones (metacarpus) and long neck vertebrae

A

pterodactylia?

36
Q

which pterosaur subdivision has a jaw always full of teeth?

A

rhamphorynchidea

37
Q

Which has a single(merged) nasal and prorbital opening

A

pterodactylia