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what is a vertebrate (characteristics of chordates (notochord (a flexible…
what is a vertebrate
characteristics of chordates
at some point in their lives chordates will have a notochord a nerve cord thats runs down their back and slits their throat area
notochord
a flexible rod that supports a chordates back
nerve cord in back
in addition to having a notochord all chordates have a nerve cord that runs down their back
slits in throat area
at some point in their lives chordates have slits in there throats are called pharyngeal
characteristics
a vertebrates has a backbone that is part of an internal skeleton
backbone
the vertebrae are lined up in a row like beads on a string
internal skeleton
the backbone of a vertebrate is part if its endoskeleton
keeping conditions stable
stable temperature of most fishes amphibians and reptiles is close to the temperature of their environment
ectotherms
ectotherm is a animal whose body does not produce internal heat
endotherms
an animal whose body regulates its own temperature by controlling the internal heat it produces