What was Ketchum's main conclusion? (Note: The Ketchum study is long, and while I encourage you to look through it, pay particular attention to the Abstract on page 2 and
the Conclusion on page 33

How is the motion of the particles of water at 80 ⁰c different from the motion of the particles of water when it is 30 ⁰c?

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?

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion