Question

what is exact difference between grades of organization and symmetry?

Answer 1

Exact difference between grades of organization and symmetry:

Grades of organization:

• It refers to the cell arrangement in organisms.
• Different grades of organization include

                        1. Cellular level- Porifera

                        2. Tissue level- Coelenterata

                        3. Organ level- Platyhelminthes

Symmetry:

• It refers to the external feature of the organism in which it exhibits its ability to distinguish from one another.
• It can be classified as asymmetry, bilateral symmetry, and radial symmetry.

                       1. Bilateral – Animals divided into two identical parts

                       2. Radial – Animals divided into many identical parts

                       3. Asymmetry – Animals that cannot be divided