B. Virus. Viruses aren’t considered living because they need a host cell.
Three factors that affect the biodiversity in an ecosystem
include area, diversity of niches, and climate. Keystone species
also have a large effect.
B if they cant find any population drops making it a limiting factor
DNA strands begin separating from replication forks.
From there, a new DNA strand begins to form when polymerases add nucleotides to each strand.
