Answer:
True
Explanation:
Animals can be categorized into 3 based on body symmetry
- Those without any body symmetry (asymmetrical)
- Those with bilateral body symmetry (bilateria)
- Those with radial body symmetry (Radiata)
Animals can be categorized into 2 based on number of embryonic germ layer;
- Those with two layers - endoderm and ectoderm (diplobastic)
- Those with three layers - mesoderm in addition to ectoderm and endoderm (triploblastic)
Animals can be categorized based on presence/absence of body cavity or coelom;
- No body cavity - acoelomates
- False body cavity - pseudocoelomates
- True body cavity - coelomates
Animals can be categorized into 2 based on characteristics of embryonic development;
