Answer:
D. Ability to use food for energy
Explanation:
you can put a needle through it and it won't break.
The disk diffusion test is used to compare the effectiveness of antibiotics. The incubated plate (results) will show bacteria growth except where antibiotic has effects. The more effective the drug, the inhibition zone will be greater. So the most effective antibiotic is the one that has the largest inhibition zone around the test site.
Answer: decide if the trait is helpful for the organism
observe the traits of the organism's children
Explanation:
I think those are the 2
A. South pole is the correcto answer