1. Their embryonic development is different.
2. They are more advanced than acoelomates, but not as advanced as deuterostomes.
Sister- identical homo.- different from eachother
Answer:
The correct option is: c. a doorknob contaminated with the cold virus
Explanation:
Fomites are the inanimate objects or substances that can get contaminated with the pathogens and are capable of transferring the pathogens to the new hosts.
Sterilization of the possible fomites should be done in order to prevent cross-infection.
Examples of fomites are hair, towels, clothes, door knobs, cups, switches, handrails, remote controls, pens, syringes, bedding, etc.
First step is #8
second step is #6
third step is #9
fourth step is #7
fifth step is #5