Предмет: Биология, автор: matvey8860

биология 8 класс!!!!!!!!!! ​

Приложения:

Ответы

Автор ответа: aymratov
1

Значение в природе

Являются звеном пищевой цепи

Мелкие рачки образуют зоопланктон – пища для млекопитающих, рыб, мальков

Являются фильтраторами, очищают водоемы

Некоторые виды являются промежуточными хозяевами для паразитов, например циклопы для широкого лентеца

Паразиты рыб и ракообразных(например саккулина паразит крабов)

Значение для человека

Есть промысловые виды (креветки, крабы, лангусты)

Являются фильтраторами, очищают водоемы

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