sponges -apex
Apex is sponges
D.Sponges
humans are vertebrates as hey have the vertebral column(to be more specific the notochord). u can feel your vertebral column by placing your hand on your back.the bony structure that seems to divide your back into two equal halves is nothing but your vertebral column.
chordates
Vertebrates
The presence of a notochord at some point in the organism's development is one of the characteristics that distinguishes chordates from other phyla. Without it, I'm not sure if the organism would be considered a chordate.
It depends which organism you are referring to.
a vertebrate is a living organism with a backbone and an invertebrate is a living organism without a backbone
Vertebrates are those that have a skeletal system.
A living organism with a segmented backbone is a vertebrate.
Vertebrates are those that have a skeletal system.
because it is an organism
Yes. Multicellular means an organism has more than one cell. Kangaroos are vertebrates and all vertebrates are multicellular.