Предмет: Биология, автор: Юляшка654

чем отличается перломутровый слой с внутренней стороны раковины иот других слоев у двустворчатого моллюска??

Ответы

Автор ответа: vampirka7a

0

ну, есть роговой, фарфоровый и перломутровый слои, составом и выполняемой функцией

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