D because all the other answer are negative feedback
Answer:
Eubacteria are prokaryotic organisms, as characterized by the lack of a membrane-enclosed nucleus, predominantly unicellular, with DNA in a single circular chromosome, and have peptidoglycan on cell wall when present. They include most of the familiar bacteria of medical and economic importance such as E.
Explanation:
Answer:
The size of a seed in a specific plant is transmitted as a polygenic trait. When crossing between two true-breeding varieties takes place, the heterozygous individuals are obtained in the F1 generation. When these F1 offspring are backcrossed with one of the parents, there will be an increase in the variance. This is due to the fact that the backcross progeny are not uniformly heterozygous at the seed size loci.
Five short blast from another vessel's horn signify DANGER OR DOUBT. When two vessel are about to pass each other by, they have to communicate each other intentions in order to avoid collision. If one of the party does not understand the message that is been relayed or feel that the other party is not taking enough caution to avoid collision, then he should sound the five short blasts to signify that he does not understand what the other party is trying to do.
