Question

Describe the four different levels of organization in metazoans?

Answer 1

Organization is the arrangement of smaller components of any structure in to larger ones and so on in a hierarchy. In the animal kingdom Protozoans exhibit protoplasmic grade of organization. Metozoans exhibit higher levels of organization such as cellular grade of organization, tissue grade of organisation, organ level of organization and organ systems of organization. Metazoans are mlticellular animal that undergoes development from an embryo stage with three tissue layers, namely the ectoderm, mesoderm, and endoderm.