Question

State. The adaptive significances of torsion

Answer 1

Explanation:

The Adaptive Significance of Gastropod Torsion. Theories which explain torsion in gastropods are critically evaluated. ... The theory of Garstang, that torsion protected the larval head and velum, is unsatisfactory because it provides no adaptive intermediates and must rely on a saltation.

Answer 2

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Explanation

The Adaptive Significance of Gastropod Torsion. Theories which explain torsion in gastropods are critically evaluated. ... The theory of Garstang, that torsion protected the larval head and velum, is unsatisfactory