Trilobites. They are an extinct form of marine life. They lived on the sandy ocean floors and in coral reefs.
A horseshoe crab is an invertebrate. It lacks a backbone or spine, which are characteristic features of vertebrates.
The octopus is a complex invertebrate known for its intelligence and flexible behavior.
Neither. Moss would be a plant. Vertebrate or Invertebrate are classifications for animals.
INVERTEBRATE: An animal lacking a backbone OMNIVORE: An animal or person that eats food of both plant and animal origin.
Humans don't have "invertebrae". First off, an invertebrate is an animal that doesn't have a vertebrae, or spinal cord.
Ok, first of all it is Invertebrate. vertebrates are animals with backbones. and a invertebrate is the opposite. Or an animal without a back bone.
invertebrate - has exoskeleton
Platyhelminthes
An invertebrate.
seriously? wow....... did you pass 4th grade? invertebrate
A bullfrog is not an invertebrate; it has a spine.
The octopus is an invertebrate... It has no skeleton.
no
It is an invertebrate 
They are both vertebrate, and invertebrate. I know, it is confusing. I was confused at first.
Crabs are invertebrate!Say the yeti crab has no backbone or spine so it is an invertebrate! Not vertebrate.Yes, all crabs are invertebrates, having an external skeleton (exoskeleton).
An invertebrate doesnt have a backbone. A vertebrate has a backbone.