Answer:
3 and 4 are most closely related.
5 and 6 are also most closely related.
<span>Birds
Birds are organisms which utilize a one-way air flow through their lungs to maximize air flow efficiency and oxygen consumption
The process of respiration is essential in the oxygen/carbon dioxide cycle. Respiration removes OXYGEN from the atmosphere and produces and releases CARBON DIOXIDE to the atmosphere.answer is letter D.
Respiration driven by a mechanical series called inhalation and exhalation. We inhale or breathe in oxygen and exhale or breathe out carbon dioxide.
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Answer:
Bt cotton is a genetically modified organism (GMO) or genetically modified pest resistant plant cotton variety, which produces an insecticide to combat bollworm.
Correct answer: Differentiation
The stem cell is the group of unspecialized cells that become specialized cell by the process called as differentiation. These cells have the great potential to develop into many different types of cell in the body.
These cells divide regularly and help the body to repair and maintain the dead and damaged tissue of the body. because of the differentiation process, the unspecialized cell is able to acquire the cellular traits that allow them to perform a specialized function.
Hence, the correct answer would be ''Differentiation''
The best summary of the process of natural selection will be provided bythe option D that is genes are always passed from parent to offspring . Hence , out four inheritance is one of the option in the given question that is gene are passed from parent to offspring .