Which method of propagation allows for the combination of desirable traits in plants?

Which of the following organisms undergoes binary fission?

Give reasons as to why the following processes are different from each other:
$(a)$ Fission in $Amoeba$ and $Plasmodium$.
$(b)$ Binary fission and Fragmentation.

How are the modes of reproduction different in unicellular and multicellular organisms?

What is the advantage of reproducing through spores?

An organism which is a worm,has very simple 'eyes',that are really eye spots which detect light. Name that organism.