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22 Cards in this Set
- Front
- Back
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Notochord
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A flexible rod shaped structure found in the embryos of chordates
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Vertebrae
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Makes up the backbone that protects the spinal cord
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Ectotherms
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animals that cannot control their body temperature
aka cold-blooded fish, amphibians, reptiles, sharks |
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Endotherms
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can control body heat
aka warm blooded birds and mammals |
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Cartilaginous fish
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Have a skeleton made of cartilage
ex. sharks |
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Lateral Line on Fish
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rows of sense organs along each side of a fish that detect vibrations
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Gills
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an organ that extracts oxygen from the water
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Swim bladder
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Found in fish, allows the fish to control its buoyancy
(up and down movement of the fish) |
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Lung
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Sac -like organ that takes oxygen from the air and transfers it to the blood
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Breathes through their skin
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Amphibians
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Amniotic egg
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A surrounded embryo with a shell to prevent it from drying out
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Hollow bones, beaks instead of jaws, amniotic egg, and air sacs can all be found in animals of this class
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Birds
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animals with one lung, no legs, scales, and amniotic eggs can be found in this animal
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Snakes
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Metamorphosis
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a change in body shape during a life cycle
Frog>eggs>tadpole>hind legs appear>forward legs appear>lungs develop>Frog again |
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Exoskeleton
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outside skeleton
(turtles shell is considered part of its skeleton) |
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Endoskeleton
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Inside skeleton
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Chordata
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name of the Phyla of animals with backbones
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Down feather
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soft and used for insulation (Like a pillow or coat)
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Contour feather
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Helps a bird steer in flight
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The class that gives live birth, endothermic, can fly, swim and walk
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Mammals
(fly-bats, swim-whales,dolphins,otters etc) |
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Three adaptations that reptiles have for conserving water are
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Kidneys, eggs with shells, and thick skin
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An animal that must constantly swim or find an ocean current is a----
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Shark
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