Question

which is the unique feature for the river mussels​

Answer 1

$\huge\bold{\textbf{\textsf{{\color{navy}{answer}}}}}$

Freshwater mussels have three basic characteristics which distinguish them from other animals; these include

$\huge{1)}$ a two-valved shell

$\huge{2)}$a soft body, and

$\huge{3)}$a muscular foot. The “soft” parts consist of respiratory organs, digestive organs, and other vital parts.

Answer 2

Explanation:

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