"C. Organisms' characteristics are carried
<span> on DNA.</span>" would be the best fit, although this still isn't really the core idea behind natural selection, which is that animals survive based on how "fit" they are for their environment.
Answer:
The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs.
Explanation:
Air passes from the trachea into the lungs through two large tubes called : Bronchi
Bronchi has the function to conducts air to the lungs (it somehow acts as an airway to the respiratory system)
hope this helps
The part of the nervous system that is similar to the autopilot is the AUTONOMIC NERVOUS SYSTEM. It controls the muscles and the glands of the internal organs. It is divided into sympathetic and parasympathetic. The sympathetic autonomic nervous system brings about excitation in the body while the parasympathetic brings about calmness.
