None; sharks don't have bones, instead, they have strong cartilage, much like what our noses are made up of
D. Phytoplankton are most efficient
Answer:
b. They are produced by memory B cells
Explanation:
The rapid cell division in activated B cells is followed by the differentiation of daughter cells into the plasma cells. The plasma cells are the precursor for antibodies and memory B cells. The antibodies kill the antigens while memory B cells are long-lived cells.
Hence, antibodies are not produced by memory B cells but by plasma cells.
10......The metric system is all units of ten. I hope this will help you!!!
Answer:
Fertilization
Explanation:
Binary fission is when single parent cell doubles it’s DNA, then divides into two cells. (usually in bacteria).
Budding is the small growth on surface of parent breaks off, resulting in formation of two individuals. (ex: yeast)
Fragmentation is when organisms break into two or more fragments that develop into a new individual. (occurs in many plants and some animals like starfish)
