Figuer:
Main animal groups are noted at the right. Names diverging at each node are morphological or body form names. Note that the animal traits key to distinguishing the groups and body forms are not shown.
-If an animal is an invertebrate,this means that the animal

Question

Figuer:
Main animal groups are noted at the right. Names diverging at each node are morphological or body form names. Note that the animal traits key to distinguishing the groups and body forms are not shown. 
-If an animal is an invertebrate,this means that the animal

Quizplus · Accepted Answer

Invertebrates are animals that do not have a backbone. Other characteristics of invertebrates include a lack of true tissues (found in sponges) or radial symmetry (found in cnidarians). The presence or absence of a complete digestive tract varies among invertebrates.

Figuer: Main Animal Groups Are Noted at the Right. Names Diverging