Darwin's Natural Selection Worksheet.

1.
  A.diurnal/nocturnal
    B.night/day. night. 400. nocturnal. become nocturnal
2.
  A. thin coats/thick coats
    B.thick/medium/thincoats. thick. no. thick coat yes.
3.
  A. slow ostrich/fast ostrich
    B.fast/slow. yes. no yes. yes
4.
  A.grass rabbits
    B.yes. yes. yes. yes. yes.
5.
  A.Ryan
    B.Bob
      C. Darwin