Предмет: Биология, автор: Аноним

Написать строение и значение (жизнедеятельности) водорослей :бурые, красные, зелёные.
Помогите очень срочно​

Ответы

Автор ответа: Lena8957
1

1.Зелёные водоросли- размножаются половым и бесполым путем

Есть одноклеточные, многоклеточные и колониальные

Хламидомонада- одноклеточная

Улотрикс- многоклеточная

Вольвокс- колониальная

Также, есть жизненный цикл улотрикса.

Их используют для красителей

В агар-агар

2. Бурые водоросли

Способны к фотосинтезу, имеют хлорофилл, тело слоевище, нет тканей и органов, из них делают крахмал

Примеры: саргасса,ламинария

3.Багрянки содержат каротиноиды, спирогира, порфира.

Вроде все

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