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biology chapter 33
| Question | Answer |
|---|---|
| they can be layer on dry land because they are water tight and they contain there own supply of water | Amniotic egg |
| what is the amniotic eggs food source | yolk |
| outermost membrane allows oxygen to enter but retains water | Chorion |
| encloses the developing embryo with in a fluid filled cavity | amnion |
| it contains the yolk which the embryo absorbs through blood vessels connected to its gut | yolk sac |
| surround the cavity into which waste products from the embryo are excreted | Allantois |
| what are the 4 membranes | chorion amnion yolk sac allantois |
| majority of reptiles | Oviparous |
| some reptiles | ovoviviparous |
| some reptiles | viviparous |
| the body temp is determined by the temp of the environment | ectothermic |
| is to slow to keep there body’s warm therefore they must adsorb warmth from the surroundings | metabolism |
| why do they hibernate in the winter | At very cold temperature they become sluggish and unable to function therefore they hibernate through winter in temperate climates |
| the water; streamed lined disked shaped shell | turtles |
| live on land; dome shaped shell | tortoise |
| turtles and tortoises have how many species | 250 |
| what order are turtles and tortoises in | Chelonia |
| They have lack teethe but have beaks | turtle and tortoises |
| fused plats of bone covered with horn shields or tough leathery skin | turtles and tortoises shell shape |
| what are the 2 parts of the turtles and tortoises shell | Carapace plastron |
| top or dorsal part | carapace |
| bottom or ventral part | plastron |
| the shell on turtles and tortoises are | are fused to the inside of the carpus and all of the support from muscle attachment comes from the shell |
| what orders are tuatara's in | Rhynchocephalia |
| 2 related species that are up to 2 feet long Lizard like reptiles | tuataras |
| They are unlike most reptiles scene they are most active at low temperatures they burrow and the bask | tuataras |
| what order are snakes and lizards in | Squamata |
| how many species of lizard and snakes | 3800 and 3000 |
| what are 2 main characteristics of snakes and lizards | Paired reproductive organs of males Lower jaw loosely connected to skull |
| the poison is produced by a modified salivary glands and is injected through grooves and hollow teeth | poisonous snake |
| the flick there tongues in order to sample the air particles are picked up from the air are transferred to the Jacobson's organs | snakes and lizards |
| which taste and small the air | Jacobson's organs |
| what order is crocodiles and alligators in | Crocadilia |
| how many species of large aquatic reptiles do crocodiles and alligators have | 25 |
| how do alligators and crocodiles capture there pray | The capture there pray by floating just beneath the water surface near the shore and then they hale it into the water then drown it and then eat it |
| alligators and crocodiles high on the sides of the head | eye |
| alligators and crocodiles on top of the snout which allow them to lay submerged, have a valve in the back of there mouth which prevents water to enter in the air passage when eating under water | nostrils |
| pointed snout; teeth protrude | crocodiles |
| blunt snout; teeth within the jaw | alligators |
| modified reptilian scales | feathers |
| what are the 2 functions of the feathers | Providing lift for flight Conserving heat |
| the features develop from tiny pits | follicles |
| in the skin a shaft emerges from the follicle then pairs of vanes develop on opposite sides of the quill the vein has branches | barbs |
| the barbs have projection called | barbules |
| this gives a continuous surface and a sturdy but flexible shape that can be regrown | microscopic hooks |
| The bones are fused making the skeleton rigid sturdy frame to an core muscle during flight the stamen has a ridge called a | keel |
| for attachment of flight muscles and the clavicles which are the color bones which are fused | keel |
| Thin and hollow | birds skeleton |
| birds generate enough heat through metabolism to maintain a high body temperature | endothermic |
| birds have no _____ | teeth |
| birds have a Super efficient Respiratory system because of the | air sac |
| Divided heart therefore | there is no mixing of the blood |
| what are the 4 categorized wings | Elliptical High-speed Soaring High lift |
| short and wide ex) woodpecker | elliptical |
| thin long and tapered ex)swift | high-speed |
| long and thin ex) seagull | soaring |
| large and convex ex) eagle | high lift |
| wading | storks |
| swimming | ducks |
| climbing | woodpecker |
| grasping | fawkin |
| perching | wren |
| Large quantities of food because of there high body temperature and fling activity's | Birds |
| What is the 1st part of a stomach of a bird | Digestive juice |
| What is the second part of a stomach of a bird | Gizzard |
| How do birds digest things | through the mouth into the Esophagus crop (enlargement of esophagus) 2 part stomach – 1st digestive juice, 2nd gizzard intestine cloaca |
| In a bird Waste is not stored but | Expelled immediately |
| ____of the birds air is exchanged through the lungs; ____ and the rest in the air sacs | 25%;75% |
| song box of the birds | Syrinx |
| What kind of excretion do birds have | They have No bladder |
| Why do bird have keen eye sight | because of the positioning of eyes on the sides allowing them to see around them |
| What kind of hearing do birds have | keen |
| these incubated in less than 2 weeks they are immerged naked blind and helpless | Altricial Chicks |
| Well developed, alert, able to move and feed themselves They are Covered with soft down | Precocial Chicks |
| Enables birds to live year round in warm climate | Migration |
| Provides best possible environment for raising young | migration |
| Have instinctive sense of direction | birds |
| What are 2 flightless birds | ostrich, penguin |
| What are 3 birds of prey | eagle, hawk, falcon |
| Larges birds of pray | Eagle and vulture |
| What are 4 game birds | turkey, quail, pheasant, chicken |
| The flight muscles are the white meet and they are white because | the lack blood supply |
| What are 3 song birds | sparrows, wrens, robins |
| The male attracts the female by there | Singing ability |
Created by:
Lauren Bowers
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