Предмет: Биология, автор: тарпеда

заяц-беляк и заяц русак структура вида?

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Автор ответа: валентина2505

Сезонная структура вида.
Заяц-беляк. Перед зимой происходит линька при которой изменяется цвет меха - на белый, а так же его густота и длина, чтобы было теплее зимой, побольше пуха.
Заяц-русак. После зимы происходит линька при которой белая, густая, меховая шуба меняется на легкую летнюю, а так же другого цвета чтобы быть не заметным на земле.

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Exercise 1
Insert the article where it is necessary.
1. This is … pen. That is … pencil. 2. This is … book. It is my … book. 3. Is this your … pencil? — No, it
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no … pet. 10. My granny has got … headache. She has no … idea what to do. 11. I have … friend. His …
name is Mike. My … friend is very good. 12. It’s … cat. Its … tail is long and bushy. It’s Mike’s … cat.

Exercise 2
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1. When is your … birthday? — My … birthday is (on) … 1st May. 2. Do you remember your mother’s
… birthday? — Yes, I do. 3. His … uncle is generous and her … aunt is very kind. 4. That … man is very
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English very well. 7. My cousin’s … dog is small. Its … hair is curly. 8. Is this … watch? — No, it isn’t …
watch, it’s … pen. 9. This … pen is good, and that … pen is bad. 10. I can see … pencil on your … table,
but I can see no … paper. 11. Give me … chair, please. 12. They have … dog and two … cats. 13. I have …
spoon in my … soup plate, but I have no … soup in it. 14. My … friend says he is going to be … millionaire
one … day. 15. Would you like … orange? 16. Mr Smith is … artist. Mrs Smith is … poetess. She is not … singer.

Exercise 3
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