Is a caecidotea a vertebrate or an invertebrate animal?

invertebrate

Explanation:

it belongs to the kingdom animalae and phylum arthropoda and class of crustacean.

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation:

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;