(a) What is meant by the term ‘fission’ as used in biology?
(b) How does binary fission differ from multiple fission?
(c) Name one organism which reproduces by binary fission and another which reproduces by multiple fission.
(d) State whether the above named organisms are animals or plants.
(a) Fission means the splitting of an organism into two new organisms.
(b) Binary Fission:
(i) In binary fission, the parent organism splits to form two new organisms.
(ii) It occurs during normal conditions.
Multiple Fission:
(i) In multiple fission, the parent organisms splits to form many new organisms.
(ii) It takes place during unfavourable conditions.
(c) Amoeba reproduces by binary fission and Plasmodium reproduces by multiple fission.
(d) Both the above mentioned organisms are animals.