B) is the correct answer. The flu virus does not have the same genetic makeup each year as with each individual it infects its rapidly mutating.
Answer:
True
Explanation:
Almost all cells have a nucleus. Haemoglobin is red blood cell but has no nucleus, prokaryotes have plasmid and not a nucleus sooo... Yea
It is basically a structure which helps segregate the chormosomes in to the daughter cells
hope this was helpful
B) Ecosystem - which includes the living communities and nonliving factors in an environment
