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Vertebrates
hgtg
15
Science
5th Grade
03/04/2009

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Term
vertebrate
Definition
an animal with a backbone
Term
ectothermic
Definition
means cold blooded, an animal who's body temperature changes with the temperature of the air and water around it
Term
endothermic
Definition
means warm blooded, an animal who's body temperature remains the same even when the temperature of the air or water around it changes.
Term
amphibian
Definition
a cold blooded vertebrate that lives part of it's life in water breathing with gills and part on land breathing with lungs
Term
estivation
Definition
slowing of an activity during summer, the slowing of metabolism during hot and dry periods
Term
hibernation
Definition
to pass the winter in a dormant (sleeping) state.
Term
metamorphosis
Definition
life cycle, the changes in the body of an from when it is young to when it is an adult
Term
molt
Definition
to shed outer covering or feathers and then regrow the outer covering or feathers
Term
preen
Definition
to smooth or clean feathers with a beak or bill.
Term
camouflage
Definition
to blend into the surrounding environment because of protective coloring
Term
gills
Definition
thin, feathery structures that are filled with blood.
Term
crocodillian
Definition
one group of reptiles, includes, crocodiles, alligators, and caimans
Term
mammal
Definition
most complex group of vertebrates,have fur or hair, give birth to live young, and produce milk for their young.
Term
marsupials
Definition
mammals that finish developing in the mothers pouch once they are born
Term
cartilage
Definition
tough, connecting tissue
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