Fill in the blank with appropriate word in each gap:-

  We know that all species are (a)--- for maintaining ecological balance. If one is (b)--- the whole natural environment  (c)--- In order to (d)--- the environment from being spoilt, we should therefore protect (e)--- wildlife. The good news is that many countries are now (f)--- action to protect their (g)--- wildlife. We should (h)--- the earth's wild (i)--- to save ourselves. To be (j)--- to animals is to be kind to mankind.