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Dichotomous Key of Shells

Dichotomous Key of Shells. 1.a. Only one part to shell……..................................................................Go to 2.a. 1.b. Two parts to shell………………………………………………………………………..Go to 3.a.

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Dichotomous Key of Shells

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  1. Dichotomous Key of Shells 1.a. Only one part to shell……..................................................................Go to 2.a. 1.b. Two parts to shell………………………………………………………………………..Go to 3.a. 2.a. Smooth, rounded brown shell with mottled white and an elongated opening along the middle of its underside…….Cowrie Shell. 2.b. Smooth elongated shell spiralled around to one side with one opening along the underside of the shell. Also, the front of the shell comes to a point……Olive Shell 3.a. Two-sided shell with very sharp jagged edges, grey in appearance. Often appears in clumps of other shells of the same species……..…….American Oyster 3.b. Two-side shell , angular in appearance, rounded edges…………….…Surf Clam

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