Which structure is unique to vertebrates? (1 point)
Responses
brain
brain
backbone
backbone
skin
skin
limbs
2 answers
limbs
1. backbone
2. go through the same developmental stages at different rates.
3. gill slits
4. They both have spines
hoping this helps someone
2. go through the same developmental stages at different rates.
3. gill slits
4. They both have spines
hoping this helps someone