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какой образ жизни ведут представители различных групп плоских червей? даю 13 баллов
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Предмет:
Биология -
Автор:
brennan574 - 6 лет назад
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Ответы 1
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плоские черви включают в себя классы: ресничные червы, сосальщики, ленточные червиресничные черви - свободноживущие животные (хищники), обитающие в пресных и морских водоемах; сосальщики и ленточные черви - паразиты, живущие в организме других животных
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Автор:
leilani - 6 лет назад
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History of the British Isles
Around 3000 years BC many parts of Europe including the British Isles, were inhabited
by a people called the Iberians.
Some of their descendants are still found in the North of Spain (the Iberia Peninsula).
We don't know much about these early people. We can learn something from there
skeletons, their weapons. The Iberians used stone weapons and tools. During the period from
the 6th to the 3rd century BC, a people called Celts, spread across Europe from the East to
the West.
During the iron age the Celtic tribes invaded Britain. Celtic tribes called the Picts and
the Scots inhabited the north of the country. The Britons a powerful Celtic tribe held most of
the country and gave the name to the islands and to the country later. The Iberians were
weak to fight back the attacks of Celts who had metal weapons. Most of the Iberians were
killed. Many of them were driven into the mountains or mixed with the Celts. The Celts
didn't write down any events. The Greeks were the first to mention the British Isles.
In the 1st century BC when the Romans came to Britain the Celts lived in tribes and
obeyed chiefs. They had no towns. They cultivated crops, wore woolen clothes, kept large
herds of cattle and sheep. So they lived under the primitive system.
Nowadays the descendants of Celts live on the territory of the British Isles. The Welsh,
who live in Wales care of their Celtic origin. They speak Welsh. It is a Celtic language.-
Предмет:
Английский язык -
Автор:
allangqlt - 6 лет назад
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Ответов:
1 -
Смотреть
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Какой объем хлора требуется для вытеснения всего йода из 300г 15% раствора иодида калия? Какое количество новой соли при этом образуется?
СРОЧНО!!!!!!!!!!!!!!!! -
найди неизвестные числа x + 35=48
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Предмет:
Математика -
Автор:
columbanoq6k5 - 6 лет назад
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Ответов:
3 -
Смотреть
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- Боковые стороны трапеции 7 см и 13 см,а средняя линия равна 14. Найдите периметр и площадь трапеции, если угол В=135°
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