Question

Despite their widely separated distribution, the living families of ratite birds, namely the ostrich of Africa, rhea of South America, emu of Australia, cassowary of Australia and New Guinea, kiwi of New Zealand and the tinamon of tropical America, comprise all the living descendants of a lineage that diverged from a common ancestral stock that inhabited Gondwanaland before it split into the southern land masses. Including their common ancestor they thus form a/an: Select one: a. convergent group O b. analogous group c. paraphyletic group O d. monophyletic group Which of the following statements best expresses the concept of punctuated equilibrium? Select one: a. Small variations gradually accumulate in evolving lineages over periods of millions of years. b Random mating ensures that the proportions of genotypes in a nonulation remain unchanged from

Answer 1

All the living descendants of a lineage that cliverged from a common ancesteral stock that inhabited Gondawana land before it split into the southern land masses, including their common ancestors they thus ferm an: (D). Monophyletic-group. All lineal descendants and consisting particular goosep of organisms which consisting of an common ancestors called Monophylene groups.