help
@imqwerty @imqwerty
@AloneS
@Awolflover1
@ShadowLegendX
Where does the name vertebrate come from?
nvm got it
Describe the vertebrate skull and bones. Be sure to mention the two types of bones.
Yep.
Vertebrate comes from the word Verte, it means backbone. was the answer for the first one
Yeah Correct ;P
Describe the vertebrate skull and bones. Be sure to mention the two types of bones.
i need this like within 2 minutes xD otherwise I'm a dead man
@Elsa213
@ILovePuppiesLol http://www.ucmp.berkeley.edu/vertebrates/vertmm.html :p I'm too lazy to answer the question. >.<
lol
-_-
"Vertebrates possess two types of bone. Dermal bone consists of bony structures (plates and scales) that develop in the skin. The bony armor of the earliest jawless fish was dermal bone; so are shark scales, shoulder blades, and the roof of your skull. Dermal bone does not form from cartilage first and then calcify, but endoskeletal bone does; in fact, in cartilaginous fishes it may never form true bone. Vertebrae, ribs, appendages, and the jaw are endoskeletal bone. The vertebrate skull is actually a complex structure of both endoskeletal and dermal bone." der :D
thanks bae @Elsa213
Thank you for the medals chicos. c; <3
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