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.
As long as you are referring to the green plants aka producers of the food chain/web.
Answer:
Yes they can.
Explanation:
I defined the genotypes and possible outcomes in the image attached