Plasma cells are designed to churn out Antibodies. These are proteins that have a variable region which is complementary ( perfect shape fit) for the virus' antigen and can therefore bind to the antigen, making the virus harmless or tagging it to be consumed by a phagocyte.
Some other secondary consumers are carnivores and others are omnivores because they also eat both plants and meat. For example Human, human are secondary consumers, and human eat both plants and meat. There are also other animals that are considered as omnivores.
Natural selection leads to evolution because the strongest survive and pass on their genes
Answer & Explanation:
Plants are unique because they have chloroplasts, which absorb light energy from the Sun.
-Hope it helps!
。◕‿◕。