Term
| how are birds similar to reptiles? |
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Definition
amnotic eggs (harder shell)
thick,dry scales (on legs and feet) |
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Term
| how are birds unlike reptiles? |
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Definition
covered w/ feathers
beaks instead of jaws and teeth |
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Definition
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Definition
| stiff and streamlined for flight |
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Definition
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Definition
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Definition
ALOT
insects,nuts,seeds,meat |
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Term
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Definition
w/ crop and gizzard
(like a worm) |
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Term
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Definition
-powerful wings
-hollow,light bones
-powerful flight muscles
-large eyes and excellent eyesight
-quik heart beat (1000timesperminute)
-airsacs on lungs |
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Definition
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Term
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Definition
| makes air flow farther, and therefore, faster on top of wing |
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Term
| what does low pressure on top of a wing do? |
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Definition
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Term
| curve and low pressure is called the ... |
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Definition
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Term
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Definition
| moving from place to place |
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Term
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Definition
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Term
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Definition
brooding- sit on eggs to keep warm
some born atrical (weak,naked,helpless)
some precocial like chicks |
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Term
| how many bird species are there? |
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Definition
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Term
| how many bird orders are there? |
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Definition
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Term
| how many nonscientific categories of birds are there? |
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Definition
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Term
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Definition
| an animal w/ a skul and a backbone |
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Term
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Definition
| an animal that mantains a constant body temp despite temp changes in its enviroment |
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Term
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Definition
| an animal whose body temp fluctuates w. the enviromentss temp |
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Term
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Definition
| fanlike strucutures that help fish move trun stop and balance |
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Term
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Definition
| bony structures that cover the skin of bony fishes |
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Term
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Definition
| a row or rows of tiny sense organs along the sides of fishes bodies |
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Term
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Definition
| organs that remove oxygen from the water and carbon dioxide from the blood |
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Term
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Definition
| small sharp toothlike structures on the skin of cartilaginous fishes |
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Term
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Definition
| a balloon like organ that is filled w/ oxygen and other gases |
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Term
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Definition
| a saclike organ that takes oxygen from the air and delivers it to blood |
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Term
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Definition
| the aquatic larvae of an amphian |
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Term
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Definition
| glands that secrete a nutritious fluid called milk |
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Term
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Definition
| the sheet of muscle underneath the lungs of a mammals that helps draw air into the lungs |
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Definition
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Definition
| a mammal that gives birth to partially developed young |
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Term
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Definition
| a mammal that norishes its unborn of spring w/ a placenta inside the urterus and gives birth to well developed young |
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Term
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Definition
| the time during which an embryo develops within the mother |
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Definition
| fins,gills,scales,greatsenses |
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Definition
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Definition
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Definition
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Term
| skeleton made of cartilage |
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Definition
| jawless and cartilaginous |
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Term
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Definition
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Term
| skin covered w/ denticles |
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Definition
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Definition
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Definition
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Definition
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Definition
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Definition
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Definition
| thick skin, internal fertilazation, amnotic egg |
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Definition
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Term
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Definition
| turtles and tortoises, crocs and ali, lizards, snakes, tuantaras |
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Term
| amphibian characteristics |
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Definition
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Term
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Definition
double life
-metamorphosis
-water to land
-tadpole to frog |
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Term
| amphibian thin skin does what? |
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Definition
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Term
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Definition
| caecillians, salamanders, frogs and toads |
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Term
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Definition
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Term
| cartilaginous fertilization |
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Definition
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Definition
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Term
| who was first to have a 3chambered heart |
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Definition
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Term
| amphbians use their______tobreath |
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Definition
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Term
| reptiles use their ____ to breathe |
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Definition
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Term
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Definition
| fury, milk feeding through mammary glands |
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Term
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Definition
| montreme, placental, marsupials |
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