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26 Cards in this Set
- Front
- Back
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chordate
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animal with a dorsal hollow nerve chord, a notochord, pharyngeal pouches, and a tail that extends beyond the anus
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what are most chordates?
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vertebrates
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non-vertebrate chordates 2 types
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tunicate
lancelets |
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fish
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aquatic vertebrate characterized by paired fins, scales, and gills
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feeding of fish
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digestive glands called pyloric caeca
intestines are covered by a layer of fatty tissue called adipose tissue |
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respiration of fish
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gills covered by operculum
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circulation of fish
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closed circulatory system
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response of fish
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well-developed organized around a brain
nostrils are used as olfactory senses |
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movement of fish
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swim bladder
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swim bladder
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internal gas-filled organ that helps adjust buoyancy
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reproduction of fish
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fertilized either externally or internally
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groups of fish
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jawless sharks
sharks and their relatives bony fishes |
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amphibian
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vertebrate that lives in water as a larva and on land as an adult, breathes with lungs as an adult, has moist skin that contains mucus glands, and lacks claws and scales
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feeding of amphibians
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adult amphibians are mostly carnivores
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respiration of amphibians
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glottis leads to the lungs
lungs are small simple sacks occurs here but also through the moist highly vascularized skin |
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circulation of amphibians
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closed
heart is composed of 3 chambers : 2 atria and 1 ventricle |
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eustachian tubes
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lead from mouth to ear and help equalize pressure
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excretion of amphibians
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kidneys filter waste, urine leaves through ureter
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reproduction of amphibians
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fertilized externally
sperm is carried to kidney by vasa efferentia ovary expels eggs to oviducts fat bodies store energy for hibernation and reproduction |
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response of amphibians
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brain has same parts as fish
transparent eyelids called nicitating membranes protect the eyes underwater and keep them moist in air tympanic membranes receive sound vibrations from air as well as water |
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groups of amphibians
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salamanders
frogs and toads caeclians |
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groups of amphibians
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salamanders
frogs and toads caeclians |
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pyloric caeca
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digestive glands in fish
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adipose tissue
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fish intestines are covered in fatty tissue
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nicitating membranes
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transparent eyelids protect amphibians eyes underwater
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tympanic membranes
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receive sound vibrations from air as well as water in amphibians
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