Answer:
C. B cells produce antibodies specific to the flu virus.
Explanation:
<span>The sum total of a population's use of the biotic and abiotic resources of its habitat constitutes its niche.</span><span>The term niche denotes an ecological component of habitat which is delimited by functioning of an organism which</span><span> supports a single species.</span><span>A species may live in more than one niche in different stages of its life cycle</span>
Answer:
DNA is the hereditary material found in the nucleus of eukaryotic cells (animal and plant) and the cytoplasm of prokaryotic cells (bacteria) that determines the composition of the organism. DNA is found in the nucleus of every cell, and it is exactly the same in each cell.
Explanation:
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Answer:
C
Explanation:
it builds up higher level of oxygen in the bloof
