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What is a vertebrate? (characteristics of chordates (Notochord (The phylum…
What is a vertebrate?
characteristics of chordates
Notochord
The phylum name chordata comes from the notochord, a flexible rod that supports a chordates back
Nerve chord in back
in addition to having a notochord, all chordates have a nerve chord that runs down their back
Slits in throat area
At somne points in their lives chordates have slits in their throats.
At some point in their lives, chordates will have a notochord, a nerve chord that runs down their back and slits in their throat area.
Characteristics of vertebrates
Backbone
A vertebrates backbone, which is also called a spine, runs down the center of its back. The vertebrate are lined up in a row like beads or string.
Internal Skeleton
The backbone of a vertabrate is part of its endoskeleton.
a vertebrate has a backbone that is part of an internal skeleton
Keeping conditions stable
Endotherms
The beaver is an example of an endothermic. An animal who regulates its body temperature by controlling the internal heat it produces.
Ectotherms
An ectotherm is an animal whose body does not produce much internal heat. Its body temperature changes depending on the temperature of its environment