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Specialist Avian
| Question | Answer |
|---|---|
| WHAT IS THE NAME OF THE STRENGTHENED STERNUM | KEEL |
| GIVE 5 SKELETAL MODIFICATIONS WHICH ALLOW FOR FLIGHT? | FEWER NUMBER OF BONES SOME BONES CONTAIN AIR SACS REDUCED DENSITY LIGHTWEIGHT HOLLOW BONES |
| WHAT IS THE FUNCTION OF THE ALUNA (BASTARD WING) | IT IS THE FIRST DIGIT WHICH IS INVOLVED IN TAKE OFF AND LANDING |
| WHERE ARE THE PRIMARY WING FEATHERS FOUND? | LONG RIGID FEATHERS FOUND ON THE WINGS AND TAIL? |
| WHAT IS THE UROPYGEAL GLAND? | THE PREEN GLAND WHICH TAKES SECRETIONS FORM THE BEAK TO THE FEATHERS |
| WHY ARE THERE SO MANY VARIATIONS IN THE BEAK SHAPE? | THIS VARIES DEPENDING ON THE TYPES OF FEEDERS THE BIRDS ARE. |
| WHAT IS THE PHYGOSTYLE OF A BIRD | THIS IS THE TAILBONE |
| WHAT IS THE FUNCTION OF THE SYRINX | THIS IS THE VOICE BOX IN A BIRD - MUSCLES AND MEMBRANES VIBRATE ON INSPIRATION AND EXPIRATION CREATING SOUND |
| HOW DO AVIAN TRACHEAS DIFFER TO MAMMALIAN ONES? | THE CARTILAGE IN AVIAN TRACHEAS IS COMPLETE RATHER THAN C SHAPED |
| WHAT IS THE CHONAL SLIT AND WHERE CAN IT BE FOUND? | THIS IS A NARROW OPENING IN THE MIDLINE OF THE HARD PALATE |
| WHICH AIR SAC DOES NOT COMMUNICATE WITH THE LUNGS AT ALL? | CERVICOCEPHALIC AIR SAC AS IT IS SEPERATE FROM THE OTHERS |
| NAME THE 3 SETS OF PAIRED AIR SACS | CRANIAL AND CAUDAL THORACIC AIR SACS AND THE ABDOMINAL AIR SACS |
| AVIAN SPECIES USE THE BEAK TO PASS FOOD INTO THE OESOPHAGUS WHAT STRUCTURES DO MAMMALS USE? | LIPS, TONGUE AND MOUTH |
| IN SOME SPECIES THE OESOPHAGUS HAS A SPECIALISED STRUCTURE CALLED THE CROP, WHAT IS THE FUNCTION OF THIS? | ACTS AS A STORAGE CHAMBER FOR FOOD AND IN SOME SPECIES IT CAN PRODUCE A 'MILK' BASED SOLUTION WHICH IS USED TO FEED YOUNG |
| WHAT IS THE CORRECT NAME FOR THE 'TRUE STOMACH' AND WHAT IS ITS FUNCTION? | PROVENTRICULUS, THIS IS WHERE MOST OF THE DIGESTION OCCURS WITH THE ADDING OF PEPSIN AND HYDROCHLORIC ACID |
| WHAT IS THE FUNCTION OF THE GIZZARD | THIS IS MADE UP OF TWO MUSCULATURE STRUCTURES WHICH GRIND DOWN FOOD FURTHER WITH THE HELP OF GRIT. |
| WHAT IS THE FUNCTION OF VILLI IN THE SMALL INTESTINE? | TO INCREASE THE ABSORBTION AREA. |
| WHICH STRUCTURE MAY BE ABSENT IN THE LARGE INTESTINE IN PSITTACIFORMES | THE CAECA |
| WHERE DOES THE RECTUM EMPTY INTO | THE CRANIAL PART OF THE CLOACA KNOWN AS THE COPRODEUM |
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