試題詳解

62. Endosymbiosis is the event occurring in the algal evolution. Which is NOT CORRECT?
(A) Cyanobacterium is included by marine animal cells in the primary endosymbiosis.
(B) Genetic exchange between cyanobacterium and animal host.
(C) Red algae are the old species derived from primary endosymbiosis.
(D) Secondary endosymbiosis is happening again when carbon dioxide concentration is sharply declined.
(E) Land plants are appearing after secondary endosymbiosis.