Question

Which of the following is an invertebrate chordate?
A. octopus
B. earthworm
C. jellyfish
D. lancelet

Answer 1

D. Lancelet, are examples of an invertebrate chordate:)

Answer 2

Answer:

D. lancelet is the correct answer.

Explanation:

lancelet is the marine invertebrate.

lancelet is an invertebrate chordate because they do have a backbone  whereas all vertebrates have a backbone.

chordate which are like vertebrates have a notochord throughout their embryonic growth and it is replaced by a vertebral column as the organism grows.