The correct response is a spinal column. Invertebrates, by definition, are animals that do not have a backbone or spinal column, while they can possess other systems such as a digestive system, muscular system, and even eyes in some cases.
Which of the following is lacking in invertebrates?(1 point)
Responses
digestive system
digestive system
a spinal column
a spinal column
muscular system
muscular system
eyes
1 answer
1 answer