Предмет: Биология, автор: yws72jdwpp

Назовите способы питания брюхоногих моллюсков кратко опишите процесс пищеварения

Ответы

Автор ответа: shapagat2606
4

Ответ:

Растительноядные. Рот(язык с теркой)-глотка (терка)-пищевод-ЗОБ-желудок-печень-средняя кишка-задняя кишка-анальное отверстие.

Многие моллюски успешно используются человеком (устрицы, мидии и тд), так же некоторые служат фильтраторами (перловица, дрейссена речная), так же есть виды, наносящие вред сельскому хозяйству (виноградная улитка)

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3. Составьте предложения.

1) I, musical, am fond of, always, programmes, music, watch, I, and.

2) The, a lot in, sisters, have, two, common.

3) The, couldn’t, his, for long time, publish, scientist, works.

4) Look, is giving, correspondent, to, a youth, Linda, an interview, magazine.

5) I’d, a group of, like, students, us, to invite, to visit.



4. Выберите правильный вариант ответа.

1) I … this science fiction story recently.

a) read b) have read c) will read

2) Yesterday we … out and had a nice time at the disco.

a) are going b) went c) go d) has gone

3) His little sister usually… care of their pets.

a) is taking b) took c) has taken d) takes

4) Could I speak to Miss Smith? – Sorry, she… an interview to a youth magazine.

a) is giving b) gives c) gave

5) Her elder brother … his job next month.

a) will change b) changes c) changed



5. Раскройте скобки, поставьте глагол в нужную форму.

1) Last August my father and I (go) abroad.

2) Look at this! They (read) a new youth magazine.

3) You (hear) some important information on the radio tomorrow.

4) An important political meeting always (take) part near the Houses of Parliament.

5) The old man already (play) with his cat.



6. Найдите и исправьте ошибку.

1) He already took his puppy for a walk.

2) Yesterday we have had a great party.

3) Tomorrow we translated a very big text from English into Russian.

4) My elder brother will like to play the guitar every evening.

5) I am very busy now. I will do my homework.
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