Given what we can see using the graphic attached to the image, we can confirm that the organism in question underwent many structural changes, one such change being the appearance of the front and hind legs.
What do we call a structural change?
- This involves the change in the physical aspects of the organism.
- This refers to the physical morphology of the creature at hand.
- Some such examples are the appearance of legs or the dissapearance of a tail.
Therefore, given that a structural change is a change to the physical morphology of the organism such as the change of shape of the body, we can confirm that the appearance of the front and the hind legs are perfect examples of this.
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