First we can look at the taxonomic order:
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
The largest level would be the one closest to the top of the list because it is the least specific and therefore the most inclusive. Out of the choices given, phylum is closest to the top, so that is the answer.
Macromolecules, or polymers, are formed by the combination of smaller molecules or monomers in a specific sequence. This is an energy requiring process called polymerization that produces water as a byproduct. Examples of macromolecules include nucleic acids, lipids, proteins and carbohydrates.
Answer: A mollusk accidentally imported from Europe. They clog pipes and water ways.
Explanation:
All prokarytoic cells replicate through binary fission.
