Предмет: Биология, автор: neizvestnonavernoe

2. Как изменение соотношения продукции и биомассы в экосистеме может повлиять на ее состояние? Приведите примеры. ​

Ответы

Автор ответа: Maksfeik
0

Биомасса экосистемы и ее биологическая продуктивность могут очень сильно отличаться. Например, в густом лесу общая биомасса организмов очень велика по сравнению с ее годовым приростом — продукцией. Тогда как в пруду небольшая накопленная биомасса фитопланктона имеет высокую скорость возобновления — образования продукции за счет быстрого размножения

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Предмет: Английский язык, автор: kak81
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I asked her, "Are you going to see him off at the station?"
She said, "Ring me up tomorrow, please." They told her to sit down and keep quiet.
He told the policeman, "I saw the thief in my garden."
He asked me, "Are the buses usually so full in this town?"
The Customs Officer said to a lady, "Do you mind if I look inside your bag?"
My aunt said, "Shut the windows, please."
He asked what the weather had been like during my holidays.
He said, "It isn't so foggy today as it was yesterday."
Tom asked, "Have you done this sort of work before?"
He said, "Don't say anything to make her angry."
I said, "What was she wearing when you saw her last?"
She said that she had tried to ring her mother up several times the previous day.
He said to the nurse, "You haven't given me my medicine. "
She asked Ann, "How many new dresses will you choose for Jane?"
The secretary said, "Can I take a message?
He said, "Don't pay attention to his remarks."
He said that if I found the front door locked I was to go round to the back.
Jack told his father, "I have lost my notebook."
He asked me, "How much money will you get for your work?"
He said, "Can I speak to Mrs. Pitt?"
He said, "Take this letter to the police."
He said that the new carpet had arrived and asked where he was to put it.
The teacher said to the students, "I haven't corrected your compositions."
He asked Bob, "Why are you looking at me so angrily?"
He asked Bob, "Was his father a doctor?"
The mother said to the small boy, "Don't forget to take off your cap."
I asked if she had looked for the book everywhere.
The teacher said to the pupils, "I hope to see you during the holidays."
He asked me, "How long have you known all about it?"
I asked him, "Are you leaving today or tomorrow morning?"
The schoolmaster said, "Shut all the windows and go down the stairs as quickly as possible."
She asked if he would like to go to the concert.
Tom said, "Mary fell down, but she didn't hurt herself." ​