In arabidopsis, a mutation causing the b-class genes to be non-functional will result in the organ identity of the four whorls to be; Sepal, sepal, Carpel, carpel. Arabidopsis is an angiosperm, a dicot from the mustard family Brassicaceae. It is widely used as a model organism in plant biology. It offers important advantages for basic research in genetics and molecular biology.
Organ, in biology, a group of tissues in a living organism that have been adapted to perform a specific function. In higher animals, organs are grouped into organ systems; e.g., the esophagus, stomach, and liver are organs of the digestive system.
Answer: bacteria
Explanation:
Bacteria can feed on oil spills, snippets of DNA, cell sugars, and possible everything you can think of. Bacteria is very harmful, but some can be helpful. Even though, the answer should be bacteria.