8. agent that kills microorganisms, rather than inhibits it:

Agent that kills microorganisms, rather than inhibits it: bactericid e

Microbial growth can be controlled and that control usually involves the use of physical or chemical agents. Chemical agents which either kill the microorganisms are called cidal agents while those that prevent their growth are referred to as static agents. of microorganisms. Thus, the term bactericidal refers to killing bacteria, and bacteriostatic refers to inhibiting the growth of bacterial cells.  

yes its like the dead sea which is full of salt which makes you stay afloat

so yes an egg will float in salt

phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation