Предмет: История, автор: амина306

из чего сделано дождевой червяк по биологии

Ответы

Автор ответа: Машка0031

Нервная система дождевых червей состоит из слабо развитого головного мозга (два нервных узла) и брюшной цепочки. Имеют развитую способность к регенерации.Дождевые черви являются гермафродитами, каждая половозрелая особь обладают женской и мужской половой системой (синхронный гермафродитизм).

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: leoniddacuk

1.We ..... a holiday last year. A didn’t have B haven’t had C hadn’t have 2.My parents ..... to the USA many times. A have been B were C have being 3.I .....a new dress last week, but I ..... it yet. A have bought A haven’t worn B bought B wore C had bought C didn’t wear 4. … raining yet? A Did it stop B Is it stopped C Has it stopped 5. We ....... in the United States for less than seven years. A lived B have lived C had lived 6. More than one hundred people ...... to the meeting. A have come B came C has come 7. ...... their telephone number. A forgot B have forgotten C had forgotten 8. She ...... English for five years. A studied B has studied C have studied 9. Peter ...... the money so that he could finish his education. A has borrowed B borrowed C have borrowed 10. Ray ...... us a lot of help since we arrived. A gave B has given C have given 11.I ...... this medication since 1985. A have taken B had taken C took 12. Don’t worry about your letter. I ...... it the day before yesterday. A sended B have sent C sent 13.We ..... Peter this week , but we ..... him a couple of weeks ago. A didn’t see A saw B haven’t saw B have saw C haven’t seen C have seen 14.She .... the test already . A took B has taken C have took 15.Gloria ..... a lot of friends by working in the cafeteria. A has made B made C have made 16. Mary ..... on a diet for three weeks. A was B has been C was been 17. Mary ..... her car keys , so we have to open the door by force. A lost B has lost C losted 18. .... the post ..... today? A Did the post come B Has the post come C Has the post came 19. He ....... so nervous before his exam. A has felt B felt C feel 20. When she was 21 she ..... across the United States. A drove B drive C driven D drived 21. In 2000, about 109.2 million acres ..... planted with transgenic crops. A was B were С have

7 лет назад

Предмет: Українська література, автор: K0Cmix

У Павлуші із твору В.Нестайка «Тореадори із Васюківки» було прізвище …

Виберіть одну відповідь:
- Завгородній
- Рень
- Заболотній
- Задорожний

7 лет назад

Предмет: Русский язык, автор: sarasusloparov

синтаксический разбор слова принялось

7 лет назад

Предмет: Математика, автор: samirya

даны числа: 526.000, 520.060, 5.260, 5.260.000. На сколько наименьшее число меньше наибольшего?

10 лет назад

Предмет: Математика, автор: almara86

ломанная линия что это такое

10 лет назад