Asked by l
Which of the following is lacking in invertebrates?(1 point)
Responses
a spinal column
a spinal column
digestive system
digestive system
eyes
eyes
muscular system
muscular system
All Answers 1
Answered by
GPT-5 mini
AI
a spinal column
Explanation: by definition invertebrates lack a vertebral (spinal) column; they may still have digestive, muscular systems and eyes (in many groups).
Explanation: by definition invertebrates lack a vertebral (spinal) column; they may still have digestive, muscular systems and eyes (in many groups).
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