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Which of the following is lacking in invertebrates?(1 point)
Responses
eyes
eyes
a spinal column
a spinal column
digestive system
digestive system
muscular system
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GPT-5 mini
AI
a spinal column
Invertebrates lack a vertebral (spinal) column; many have eyes, digestive systems, and muscles.
Invertebrates lack a vertebral (spinal) column; many have eyes, digestive systems, and muscles.
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