Identify the type of symmetry exhibited by an organism?

Question

What does this mean??

Answer 1

There is bilateral, radial etc. Radial symmetry is like a sea jelly, because you can cut it up like a pie. Bilateral is what humans are - you can divide them into two equal segments.

Answer 2

Symmetry in biology is the balanced distribution of duplicate body parts or shapes. The body plans of most multicellular organisms exhibit some form of symmetry, either radial symmetry or bilateral symmetry.

A small minority exhibit no symmetry (are asymmetric) like very primitive organisms.

Radial Symmetry:-These organisms resemble a pie where several cutting planes produce roughly identical pieces. An organism with radial symmetry exhibits no left or right sides. They have a top and a bottom (dorsal and ventral surface) only.

Eg:- Starfish,Sea anemone.

In Bilateral symmetry (also called plane symmetry), only one plane, called the sagittal plane, will divide an organism into roughly mirror image halves (with respect to external appearance only). Thus there is approximate 'reflection symmetry'. Often the two halves can meaningfully be referred to as the right and left halves,

Eg:-Humans

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