Natural selection is the process of which forms of life having traits that better enable them to adapt to specific environmental pressures, such as predators, changes in climate, or even competition for food or mates. As the species will tend to survive and reproduce in greater numbers than others of their kind, thus ensuring the perpetuation of those favorable traits in succeeding generations.
All organisms use a source of energy for their metabolic activities. Some organisms capture energy from the sun and convert it into chemical energy in food (photosynthesis); others use chemical energy in molecules they take in as food (cellular respiration)Explanation:
Celiac disease is a type of an immune disorder in which a person is unable to eat food that contains gluten because it can lead to the destruction of their small intestine.
Gluten is a type of protein that is found in several ingredients such as wheat, rye, and barley.
Consumption of gluten can lead to the development of inflammation in the small intestine which after a certain time can lead to its destruction.
The various symptoms associated with the disease include bloating, diarrhea, anemia, etc.
Since Carlos has celiac disease he has to avoid wheat, rye, and barley.
