Sinh khối của các loài sống trong một hệ sinh thái rừng nhiệt đới như sau: Loài I: 500kg; Loài II: 600kg; Loài III: 5000kg; Loài IV: 50kg; Loài V: 5kg.   Chuỗi thức ăn nào trong số các chuỗi thức ăn sau có thể xảy ra trong hệ sinh thái?

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  John’s trying to finish a report, _________________ .
  
  

• Choose the best answer for the following sentence:

  He’s too young to be allowed in this bar. _______________ . 
  
  

• Choose the best answer for the following sentence:

  ______________, so she’s struggling to make ends meet.
  
  

• Choose the best answer for the following sentence:

  ______________, but there may be snaps in its practical application.
  
  

• Find a mistake in the four underlined parts of the sentence and correct it:

  This information is rather out of the date,so we can’tuseit in our new brochure.

• Find a mistake in the four underlined parts of the sentence and correct it:

  On all likelihood, we will never know the real reason.

• Find a mistake in the four underlined parts of the sentence and correct it:

  We went on a cruise down a Nile and saw the Pyramids.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Unfortunately, the catering committee can never agree between themselves.
  
  

• Find a mistake in the four underlined parts of the sentence and correct it:

  Shall we discuss the problem after lunch, above a cup of coffee?

• Choose the correct sentence which is built from the words and phrases given.

  You / me / Smith / have / not / got / much / future / firm //.