The Corona is known as the outermost feature of the Sun. The temperature of the Corona is about 900,000 degrees Fahrenheit! It can't be seen with the naked eye!
<span>B.) traffic congestion
</span><span>C.) increasing the temperature of the urban heat island</span>
C. Motility --> Listeria is motile (tumbles over each other in microscope), whereas Corynebact. is non-motile
**Both: Gram (+) rods, catalase (+)
Other tests: Nitrate reduction and sugar fermentation
Weaker, less evolved living organisms die in relation to survival skills, but the better ones stay.
For artificial selection, people select organisms based on what advantages they have to make them better.