Cartilaginous

... is "formed"? Is some sort of differentiation the same as "formed," or does the structure need to be functional? Is the initial cartilaginous layout of the skeleton enough to be "bones forming," even though that tissue will be broken down and replaced?

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help im doing an assignment on joints and the three main types of joints which are cartilaginous, fibrous and synovial and i cant find the structure of fibrous and cartilaginous does anyone know? please reply georgie

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... subphylum Vertebrata, class reptilia, order squamata, suborder Sauria Fish: phylum chordata, class agnatha(jawless fishes), chondrichthyes(cartilaginous), osteichthyes(bony fishes) Sea cucumber: Phylum echinodermata, class holothuroidea Turtle: Phylum chordata, class reptilia, order testudines ...

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