The first step of cellular respiration involves

the use of oxygen
takes place in the cytoplasm
produces a net gain of 2 atp
the splitting of a glucose molecule

When organisms are classified ,they are given a two part name

What is thought to have caused the mass extinction at the end of the cretaceous period?

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?