bird review
DESCRIPTION
BIRD REVIEW. ENDOTHERMIC (warm blooded) 4 chamber heart Feathers/wings Highly efficient respiratory system Lightweight/rigid skeleton Oviparity (lay amniotic eggs) Beak. Give the characteristics of birds:. gizzard. Match the BIRD body part with its function - PowerPoint PPT PresentationTRANSCRIPT
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BIRD REVIEW
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Give the characteristics of birds:
ENDOTHERMIC (warm blooded)4 chamber heartFeathers/wingsHighly efficient respiratory systemLightweight/rigid skeletonOviparity (lay amniotic eggs)Beak
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Match the BIRD body part with its function
Grinds & mashes food ______________voice box _________________Where acid and enzymes start to digest food _______________Makes bile _____________Hold air but don’t
exchange gases ______________
gizzardsyrinx
proventriculusliver
Air sacs
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Thin fan-like membrane that holds the small intestine in place.
mesentery
The upper portion of the stomach where digestive enzymes and acid chemically break down food is called the ___________________proventriculus
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Lower muscular portion of the stomach where food is squeezed and mashed
GIZZARD
Thick, featherless patch of skin on the abdomen of a bird that helps to keep eggs warm when the bird sits on the nest.
Brood patch
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Scientist who studies birds
Ornithologist
Pouch on the esophagus that stores food waiting to be digested
crop
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Match the BIRD body part with its function
Attachment forflight muscles ______________
Exit opening forurine, feces, sperm/eggs _______________
Processes nitrogen waste for kidneys _______________
Stores glycogen _____________
sternum
vent
liver
liver
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Baby birds that are active when they hatch and come from nests with many eggs that have a long incubation time
precocial
This bone that stabilizes the shoulders is called the ______________furcula
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Match the BIRD body part with its function
Ringed windpipe ______________Receives sperm/eggs, urine and
digestive waste _________________Pouches where microorganisms
help digest plant material __________Stores bile _____________Regulates heart rate,
blood pressure,and metabolism _________
trachea
cloaca
Colic caecaGall bladder
Thyroid gland
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What is the function of structure A?
Place where acid anddigestive enzymes breakdown food
A
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Tell 2 ways the DIGESTIVE system is modified to help in flight.
1. FAST EFFICIENT system- fuels endothermic metabolism for more energy
2. TWO PART STOMACH- proventriculus & gizzard separates functions to move food faster
3. CROP- stores extra food so food moves through faster
4. COLIC CAECA- break down plants5. LONG SMALL INTESTINE- absorbs more nutrients6. SHORT LARGE INTESTINE- less water absorbed
so waste is released quickly (less weight)
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TRUE or FALSEThe heart of a bird is like that of a frog
False Frogs have 3 chambers; birds have 4
Gland that regulates heart rate, blood pressure, and metabolism
THYROID
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Eggs in birds are fertilized in
Ovary oviduct cloaca vas deferentia
oviduct
The voice box in a bird that produces its song
syrinx
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What is the function of structure A?
Finishes digestion &absorbs nutrients
A
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Tell one way the Respiratory system is modified to help in flight
Air sacs store extra air to provide additional oxygen when inhaling AND EXHALING Air sacs extend into bones to decrease density
This bone that supports the tail feathers is called the__________________
pygostyle
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Space at the end of the digestive system that collects digestive waste, uric acid from the kidneys, and eggs and sperm before they exit the body.
cloaca
Place in the respiratory system where gases are exchanged
Lungs air sacs syrinx trachea
Lungs (Air sacs only store air until it moves into t he lungs)
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Birds belong to this CLASS:
AVES
Birds that are naked, blind, and helpless when they hatch and come from nests with few eggs that have a shorter incubation time.
altricial
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These structures attached to the lungs are ______________Air sacs
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What is the function of structure A?
Contains small rocks to Help squeeze and mash foodA
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Tell one way the SKELETAL system is modified to help with flight.
1. BONES ARE HOLLOW = less dense2. BONES ARE FUSED = sturdy3. AIR SACS extend into bones to make them less dense4. FURCULA –stabilizes shoulder5. PYGOSTYLE- supports tail for steering/braking6. BIG STERNUM- attaches flight muscles
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What is the function of this colored structure located between the trachea and bronchi?
= syrinxVoice box for singing
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Fused lower portion of the spine that supports the tail feathers
pygostyle
Nutritious milk-like fluid produced in the crop of some birds like pigeons to feed their young
Crop milk
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Gland located at the base of the tail that the bird uses to coat its feathers to make them waterproof.
Preen gland
Fused collarbone commonly called a “wishbone” which helps to stabilize the shoulders during flight furcula
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Type of egg laid by birds
amniotic
This type of reproduction in whicha shell is put around the egg and ithatched outside of the mother’s body is called ________________oviparity
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A B C
Which diagram shows the type of circulation found in birds?
A 4 chambers; 2 loops
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Name the two functions of feathers
Lift for flightInsulation (help hold body heat)
This part of the brain that controls muscle coordination is larger in birds to help with flying.
cerebellum
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What is the function of these colored structures attached to the lungs?
Store air to allowoxygenated air inlungs during exhalation
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Organ that stores bile
Gall bladder
Makes, stores, and recycles Red blood cells (RBC’s)
spleen
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Organ that contains small rocks to helps smash up food
gizzard
Excretory organ seen in frogs and turtles that is missing in birds
Urinary bladder
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What is the function of structure A?
Makes bile
A
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Organ that makes digestive enzymes used in the small intestine
Pancreas make trypsinLiver makes bile
Fertilization in birds is
INTERNAL EXTERNALinternal
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Organ that makes bile to digest fats
liver
Name one of the parts of the brain that are bigger in birds than in reptiles
CerebrumOptic lobesCerebellum
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Like turtles, birds make nitrogen waste in the form of ______________
Uric acid
Protein found in reptile scales and bird feathers
keratin
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Match the BIRD body part with its function
Controls autonomicinternal organs ______________
Opening for air entering _______________respiratory system
Add albumen & shell to eggs ______________
Carry urine from kidneys _____________to cloaca
Medulla oblongata
glottis
oviduct
ureters
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Number of chambers in a bird heart
4 (2 atria; 2 ventricles)
Large breastbone to which flight muscles attach
sternum
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Pigeons belong to the Kingdom __________________Phylum _________________Subphylum ________________Class _____________Order ______________
AnimaliaChordata
VertebrataAvesColumbiformes
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Type of body cavity found in birds
No coelom pseudocoelom eucoelom
eucoelom
Birds are ____________________ Ectothermic Endothermic
Endothermic (warm-blooded)
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Match the BIRD body part with its function
Connect trachea to lungs ______________
eardrum _________________
Part of small intestine where bile & trypsin are added _______________
to finish digestion
Removes uric acid from blood _____________
bronchi
tympanic membrane
duodenum
kidneys
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What is the function of structure A?
Stores and moistensfood waitingto be digested
A
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This is found in the shells of bird eggs to make them hard
Calcium carbonate
TRUE or FALSEBirds have nictitating membranes like reptiles
True – helps birds that dive under waterfor food or act as “flight goggles”
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Tell how the ENDOCRINE system ismodified to help birds fly
1. THYROID & PANCREAS control fast burning of glucose for energy
2. ENDOTHERMIC METABOLISM- provides energy for extended activity
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Birds are __________________
Invertebrate protostomes Invertebrate deuterostomes Vertebrate protostomes Vertebrate deuterostomes
Vertebrate deuterostomes
That means their embryonic blastoporebecomes their __________anus
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_______________ feathers give birds shape, provide color, and lift for flight.
contour down
Contour
Birds are ______thermic.
ecto endo
endo
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Tell how the CIRCULATORY system ismodified to help birds fly
1. LARGE HEART- for body size pumps more2. 2 LOOPS- most efficient/fastest system3. 4 chamber heart-
total separation of HIGH/LOW oxygen blood4. FAST HEARTRATE-
moves oxygen/nutrients faster
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A = ?B = ?C = ?D = ?
BarbRachis
barbulevane
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Tell 3 cues bird use to navigatePosition of sun/stars; landmarks;sense Earth’s magnetic field; air pressure changes;low frequency sound waves
TRUE or FALSEBirds shed their feathers annually and can regrow lost or damaged feathers.
TRUE
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Fertilization in BIRDS is ____________
internal external internal
Name 3 characteristics of BIRDSWings, feathers, Light weight/strong skeleton4 chambered heartEndothermic (warm blooded)Super efficient respiratory systemBeakOviparity (lay amniotic eggs)
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Birds are _________________
acoelomates pseudocoelomates coelomates
coelomates
Number of ovaries in a bird
Only one (on left side)
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Tell how the RESPIRATORY system ismodified to help birds fly
1. Super efficient-gets more oxygen out of air2. AIR SACS- allow oxygen on inhale & exhale3. AIR SACS- extend into bones = less dense4. ALVEOLI- increase gas exchange
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Name the substance that does each of the following:Digest fats ______________
Digest proteins _______________
Made by joining glucose moleculesUsed by animals to store energy __________________
Tells cells to take glucose from blood& store it as glycogen _________________
Tells cells to take stored glucose &release it into the bloodstream ___________________
biletrypsin
Glycogen
insulin
glucagon
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Match the BIRD body part with its function
Stores & moistens food _____________Oil gland to make
feathers waterproof _____________Featherless patch
to keep eggs warm _______________Hook barbs together _____________For higher thinking
& learning ______________
crop
Preen gland
Brood patchbarbules
cerebrum
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Tell how the excretory system ismodified to help birds fly
1. NO URINARY BLADDER No storage of urine/ eliminated as made2. Nitrogen excreted as URIC ACID- needs less water to dilute
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Tell how the REPRODUCTIVE system ismodified to help birds fly
1. ONLY ONE OVARY/OVIDUCT on left side -less weight
2. OVIPARITY- Eggs laid outside body- less weight
3. OVARY enlarges during breeding season Shrinks rest of time = less weight
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Match the BIRD body part with its function
Stabilizes shouldersduring flight ______________
Support for tail _________________Makes trypsin
for the small intestine _____________Controls muscle
coordination _____________
furculapygostyle
pancreas
cerebellum
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Tell how the NERVOUS system ismodified to help birds fly
1. LARGER BRAIN- than reptiles/amphibians2. BIGGER CEREBRUM
-for higher thinking, learning, problem solving helps navigation
3. BIGGER CEREBELLUM- motor coordination/balance
4. BIGGER OPTIC LOBES- Improved vision- for navigation, finding food
5. Internal compass stores iron- for navigation
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How is reproduction in birds SIMILAR to reproduction in turtles?
Both : Separate sexes/ with internal fertilization lay amniotic eggs have a cloaca oviduct adds albumen and shell
How is reproduction in birds DIFFERENT than in turtles?
BIRDS TURTLESonly one ovary on left side 2 ovariesParental care laid in nest and leftSex chromosomes no sex chromosomes (sex determined by temp)Calcium makes shell hard tough leathery shell
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Match the BIRD body part with its function
Fleshy area near beak ______________3rd eyelid _________________Part of small intestine where
nutrients are absorbed _______________Removes uric acid
from blood _____________Attachment for
flight muscles ______________
cereNictitating membrane
ileum
kidneys
sternum
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How is the excretory system in birds SIMILAR to the excretory system in turtles?
Both : have 2 kidneys excrete nitrogen waste as uric acid exit through cloaca
How is the excretory system in birds DIFFERENT than in turtles?
BIRDS TURTLESNo urinary bladder Urinary bladder stores urine
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Match the BIRD body part with its function
Carry eggs from ovary ______________to cloaca
Carry sperm from testes _______________to cloaca
Largest Vein returningto heart _______________
Largest artery leaving heart _____________
oviduct
Vas deferens
Vena cava
Aorta
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How is the circulatory system in birds SIMILAR to that seen in turtles?
Both : closed circulationseptum (partial or full)
No conus arteriosus or sinus venosus 2 loops red blood cells have nuclei
How is circulatory system in birds DIFFERENT than in turtles?
BIRDS TURTLES4 chamber heart 3 chamber heart
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Tell something that is new about birds that you haven’t seen in any other animal you dissected.
They are ENDOTHERMIC (warm blooded)4 chamber heartFeathersHollow bonesFused bones: furcula, pygostyleSyrinxAir sacsNo urinary bladder
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