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13 Cards in this Set
- Front
- Back
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what advantages is the floating behavior of the frog?
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the tip of the snout and nostrilsare above the water to allow breathing, the eyes are also above water so the frog can see while submerged
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describe the swimming movement
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extends and flexes
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how mandy eyelidsare present
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three
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what is the adaptive alue to the nictiting membrain
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in water it protects the eyes and on land it protect and moistens the eye
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differentiate mouth breathing from lung breathing in the bullfrog
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mouth breathing: the mouth is not open and the muscles of the body wall do not move
lung breathing: the body wall is pushed out as the floor of the mouth is pulled up bringing air into the lungs. |
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compare the digit, webbing, and the length of the hindlegs and forelegs of the frog
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the forelegs have 4 unwebbed digits, the hindlegs have 5 webbed digits. the hind legs are longer than the fore legs
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why is the coloration of the frog considered to ve protective
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it is counter-shading and protective because it blends in with its environment above and below the surface
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where does the glottis and eustachian tubes lead
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glottis" o the lungs, esophagus, and larynx
eustachian tube: to the innner ear, mouth caviey and middel ear |
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functions of the mesentary, pyloris, and urinary bladder
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mesentary: supports the organs abd many capillaries
pyloris:controls the passage of food from the stomach to the intestine urinary bladder: stores urine |
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whar characeristis separate orders urodela and salientia
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weatherthe head or trunk are fused, presence of a tain, weather foelimbs and hindlimbs ae equil or unequil in size, size of mouth, webbed feet
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relate how the mouth and its structures adapt a frog to its terestrial existence
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the wide mouth with its anteriorly attached toung is an efficent incet trapthe vomerine and smaller teath allow for holding onto prey. the wide poenig of the esopagus allows the frog to swallow
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what advantage might it be for an animal such as the frog to have a completely diffrent life in which the immature are aquatic and the adults both aquatic and terrestrial
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as an a immature animal the frog eats mostly vegies and is entirely auatic breating by gills. as an adult it can live on land and in the water and breaths by lungs. the young do hot have to compete with the adults for food. also the adults may leave a pond a reproduce with frogs from other ponds
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what is the disadvantage for the double life of an amphibian
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must allways reutun to the water to lay eggs and for the young to develop
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