in Evolution by

1 Answer

0 votes
by
  1. Variations bring about genetic changes in an organism.
  2. Phenotypic characters suitable to an organism are developed.
  3. Useful variations are preserved and passed on to the off-springs.
  4. Chances of survival increases due to positive variations.
  5. In the population, positive variations multiply in geometric proportion.
Biology Questions and Answers for Grade 10, Grade 11 and Grade 12 students, Junior and Senior High Schools, Junior Colleges, Undergraduate biology programs and Medical Entrance exams.
...