24(b) Lamark's theory not acceptable because phenotypic characteristics are not inherited as they do not affect the genetic composition. (1x1 = 1 mark) Additional resources Inheritance of acquired characteristics/theory of adaptation Jean-Baptiste Lamarck
Q1(f) Vizuizi visivyoonekana haviwezi kukuweka kwenye majaribio ya kutenda maovu, na sasa sitaki uhuru, maana ninapoupata, ninautumia vibaya, namshukuru aliyeninyima huo uhuru ingawa hapa nilipo sina uhuru. (alama 4)