(a(i))[3]
Put the stages into the correct sequence, then finish the flow chart by filling in the letters in the four empty boxes.
(a(ii))[1]
State one way in which new alleles are produced.
(a(iii))[1]
State one factor that can raise the rate at which new alleles are produced.
(b(i))[2]
Define the term adaptive features in biology.
(b(ii))[2]
Describe two visible features in Fig. 8.1 that show all of these animals are mammals.
(b(iii))[1]
Describe one mammalian feature that is not visible in Fig. 8.1.