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What is a vertebrate? (Characteristics of Vertebrates (Backbone…
What is a vertebrate?
Characteristics of Vertebrates
Backbone
Vereinbartes have backbones.
This is called vertebrates
Backbone gives structure to body, and has many joints and controls many joints that allow u to move.
Internal skeleton
Backbone of a vertebrate is an endoskeleton.
Endoskeleton includes the skull and ribs
Endoskeleton doesn't get replaced when the body grows.
Characteristics of Chordates
Ancient jawless fish.
Notochord
Flexible rod that supports back.
Replaced by backbone in vertebrates.
Keeping Conditions Stable
Ectotherms
Refereed to as "cold blooded
Ex: fishes
Blood is warm so this is misleading.
Endotherms
Ex: Beaver
Have same body temp weather cold or warm.
Usually does not change temp much.
Keep conditions stable