Do you have a like text book for this for me to answer?
Thanks for the question,
To classify organisms, scientists use similarities and variations among species. typically these variations area unit simple to ascertain, like whether or not associate animal has fur, feathers, or scales. There area unit seven main assortment ranks: kingdom, phylum or division, class, order, family, genus, species.
<h3>Hope it helps!</h3>
It's the last one it's featured causing it to produce nothing at 70°c
A bad line measurement (aka control) is set up so that you can compare your results from each test against so it gives the values a meaning as it shows how they differ from eachother
