No. Oysters are bivalve shellfish. Vertebrates are animals with internal skeletons.
Tortoise are vertebrates they have a back bone like we humans do.
the fact that one is an invertebrate and one a vertebrate is completely irrelevant to which eats which it is entirely down to the food chain but it is much more common for a vertebrate to eat an invertebrate than the other way around.
No. All echidnas are mammals, and all mammals are vertebrates. Echidnas are different from "echinoderms".
That is decided by the vertebral column. Vertebrates have a vertebral column.
no
protozoa
A scorpion is an Invertebrate.
vertebrates
A bullfrog is not an invertebrate; it has a spine.
Yep.
vertabraes
no... they are vertebrates
no they are vertebrates
Rhinos are vertebrates.
Vertebrates because they are reptiles and all reptiles are vertebrates
Eels are vertebrates and chordates.