What is the term for the protective wall that bacteria survive unfavorable conditions?

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?

Name the organs of humanelemintary canal.

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?