Carbon dioxide goes into the atmosphere and is absorbed by plants along with water, to produce oxygen an plant structures, whether cellulose, starch, or sugar-which are then eaten by mammals.
Stresses on the Earth's system include incomplete combustion of carbon to produce carbon monoxide. The burning of fossil fuels such as oil and carbon, And also the presence of excess ozone in the upper atmosphere.
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Sexual reproduction increases the genetic variation within the population, because new individuals are made by randomly combining genetic material from two parents. Because only fit individuals reach sexual maturity and reproduce, the overall population tends toward increasing fitness in its environment.
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The correct answers are given below
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NK cells- Immunological surveillance
Plasma cells- Antibodies
CD4 lymphocytes- Helper cells
Macrophages- Phagocytosis
CD8 lymphocytes- Cytotoxic
IGg- Antibodies
IgE- Allergies
IgM- Primary response
Answer:Deoxyribonucleic acid is a molecule composed of two chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses. DNA and ribonucleic acid (RNA) are nucleic acids; alongside proteins, lipids .... In addition to RNA and DNA, many artificial nucleic acid ...
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