Bird Quiz

Question 1

How did they reduce weight and size?

Answer 1

Hollow bones

Fusion of bones together

Question 2

Hollow bones?

Answer 2

Pneumatic
Loss of bone in the beak and is made with Keritin
No more teeth

Question 3

Fusion of bones?

Answer 3

Keeps arms, legs, and neck stiff to have more energy
Reduces muscle weight
Usually fuse in the vertabrate

Question 4

What types of feathers are there?

Answer 4

Downy
Display
Barbulos

Question 5

Downy Feathers

Answer 5

For insulation

Have barbs on the top and calamus underneath

Question 6

Display feathers?

Answer 6

Display for sex attraction
Rachis is up the middle with barbs on the sides (equal size) and a calamus underneath
Peacock tail

Question 7

Barbulos feathers?

Answer 7

Rachis in the middle

Barbs on the sides (one side is longer than the other) Barbulos connect at barbs with calamus underneath

Question 8

Wishbone?

Answer 8

Fused clavicle bones

Question 9

Supercoricodious?

Answer 9

Coricoid acts as a pulley and lifts the wing up

Question 10

Pedtoralous major?

Answer 10

Pectoral muscle

Question 11

What two things make up 60% of a birds total mass?

Answer 11

Supercoridodious

Pectoralous major

Question 12

Where are both supercoricodious and pectoralous major?

Answer 12

Muscles on the chest

Question 13

What do the supercoricodious and pectoralous major do?

Answer 13

Makes a bird go down and forward into the wind

Question 14

Airfoil?

Answer 14

Wing is big on the front so it squeezes the air ontop to go up more
Pushes down on the air makes more wide area to go up

Question 15

What makes energy?

Answer 15

Life, fuel, o2

Question 16

Where and why does the blood travel?

Answer 16

Goes to blood and muscles for less lactic acid

Question 17

What kind of heat does a bird have?

Answer 17

4 chambered

Seperates body blood from oxygen blood

Question 18

Air sacs?

Answer 18

Goes into bones (pneumatic bones) and gets oxygen

Question 19

Why are there air sacs?

Answer 19

Air absorbs the heat as it passes through, away from heart and into the airsacs

Question 20

What do bones act as?

Answer 20

Radiator to take away heat

Question 21

What do birds lack?

Answer 21

Diaphragm

Question 22

How does a bird breathe?

Answer 22

Fused bones by the rib cage make air go into the airsacs and pushes the old air out

Question 23

What type of air is always going in?

Answer 23

Positive air

Question 24

How is old air pushed out

Answer 24

New air pushes the old air into little airsacs and go out so it never mixes

Question 25

Correlation between birds and eating

Answer 25

Need to eat fast and keep weight down

Question 26

How do birds eat?

Answer 26

Crop is a big stretchy thing that holds food and then goes to the gizzard to shred the food in the stomach

Question 27

What happens to the food in the stomach?

Answer 27

More acid than humans break down food and liquidizes the food

Question 28

What happens in the intestines?

Answer 28

It passes quickly and the sesum puts bacteria back into the intestines

Question 29

What is Uric acid?

Answer 29

Helps get rid of amonia

Question 30

What is excreted?

Answer 30

Uric acid crystals combines with diarria and is excreted

Question 31

Perching tendon?

Answer 31

When perching on a branch, it transfers it’s weight so that when it lands, it’s claw closes automatcially
It also clasps onto its food at 100 mph and its tendon closes on it
On back of leg and under the claws

Question 32

What was the main thing to transition from dinosaurs to birds?

Answer 32

Reduced size and weight