Answer :
According to estimates, there are roughly 1: 30 invertebrate species for every one vertebrate species.
What is vertebrate?
An animal having a backbone is called a vertebrate.
What is invertebrate?
An animal which doesn't have a backbone is called a invertebrate.
According to estimates, there are roughly 30 invertebrate species for every one vertebrate species. Ratio is 1:30.
To learn more about vertebrate, click on the link below –https://brainly.com/question/10714806
#SPJ4