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The animals having backbones are called _____. vertebrates complex strong invertebrates simple

The individual bones in the backbone, or spinal column, are called _____. ACls vertebrae cartilage tendons invertebrae

_____ are the simplest of all invertebrates. sponges anemones segmented worms round worms flat worms

Vertebrate A)a section or part of an animal's body B)a long appendage around the head of an animal used for holding or moving C)an animal having a backbone D)the individual bones in the backbone E)not moving from place to place; attached in a permanent lo...

The animals without backbones are called _____. invertebrates vertebrates strong simple complex

Vertebrae A)a section or part of an animal's body B)a layer of skin-like material that in many animals can produce a shell C)a long appendage around the head of an animal used for holding or moving D)the individual bones in the backbone E)not moving from...

Vertebrate A)a section or part of an animal's body B)a long appendage around the head of an animal used for holding or moving C)an animal having a backbone D)the individual bones in the backbone E)not moving from place to place; attached in a permanent lo...

Jelly fish belong to the group called _____. segmented worms coelenterates round worms anemones sponges