because they have no backbone
an invertebrate is a animal that does not have a backbone or a back column. for example a jellyfish is an invertibrate.
An "invertebrate" is an animal without a backbone, such as a jellyfish or worm.
Butterfly, worm, jellyfish, spider, sponge, starfish, and to much more to type.
a jellyfish is a invertebrate
Jellyfish are, compared to mollusks, arthropods and vertebrates, very simple organisms. Jellyfish did not evolve a circulatory system, as they can perform gas exchange at their outer surfaces.
They have no bones. They're invertebrates.
Invertebrate
An invertebrate is a classification of an animal which means that the animal does not have a spine. A good example of an invertebrate is a jellyfish. There are also some insects that are invertebrates, amny of which have exoskeletons, or a hard outer shell to protect them.
An invertebrate is an animal with no spinal column like oysters and jellyfish. Pitbulls have spines so they are vertebrates
An aquatic invertebrate animal of a phylum that includes jellyfish, corals, and sea anemones. xohazelxo
Invertebrates doesn't have backbones. A jellyfish is an invertebrates.
Yes. An invertebrate is an animal without a spinal column. Jellyfish do not have spinal columns, or any skeleton of any kind.