species

• All species of worms in a habitat are considered .
  所有蚯蚓在栖息地达到相当数量。
• Competition between species is frequency-dependent .
  物种之间的竞争是频率制约的。
• Interferons are species specific .
  干扰素是物种专一性。
• Many species of earthworms produce cocoons through the year .
  许多种蚯蚓全年产茧。
• There are several species of maple trees that are tapped .
  产枫浆的枫树有好几个品种。
• But he was not equipped for this species of controversy .
  但他天生没有这种争辩的本领。
• The species is commonly regarded as the base-paint .
  种被普遍地看作是分类学的基本单位。
• Two distinct species are hidden under the same dress .
  两个不同的种隐藏在同一外衣之下。
• Just six species make up over half the total fish catches .
  六种鱼占了总获量的一半以上。