Mechanisms of different species of animal, Biology

Mechanisms of different species of animal

In an animal when the need to change the focal power of the eye arises, different mechanisms are there in different species of animal. The possible mechanisms of accommodation in different animals include:
1) Change in the size of the eyeball,
2) Change in the position of the lens,
3) Change in the curvature of the cornea,
4) Change in curvature of the lens.

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