A notochord is most correctly defined as Multiple Choice a primitive spine. the tissue that becomes the dorsal nerve. a flexible stiffening rod extending the length of the body. embryonic tissue that develops into bone and cartilage. any tissue that functions in the role of a dorsal tubular nerve cord.
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A notochord is a stiff ventral supporting rod. All of the choices are correct. replaced by the nerve cord during development. a stiff dorsal supporting rod that is replaced by the vertebral column during development. a strip of cartilage that forms a back and tail in all vertebrates.
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A notochord is replaced by the nerve cord during development strip of cartilage that forms a back and tail in all vertebrates stiff ventral supporting rod All of the choices are correct a stiff dorsal supporting rod that is replaced by the vertebral column during
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Question 1 (2 points) The notochord Question 1 options: becomes the brain. forms the nerve cord in an adult. is for muscle attachment. becomes the digestive system. develops from the pharyngeal gill slits. Question 2 (2 points) A(n) ________ protects the internal organs of ray-finned fishes. Question 2 options: internal cartilage skeleton exoskeleton made of cartilage exoskeleton made of chitin internal bony skeleton notochord
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