Bile is secreted by the liver under the influence of the hormone Cholecystokinin. Bile is a substance that aid digestion or absorption of lipids breaking it into fatty acids to the small intestine. It is being stored in the gallbladder. Hope this helped.
In biology, the inner lining of tubular structures is called a lumen.
This can refer to numerous tubular structures in the body, such as the lumen of the veins and arteries, the lumen of the intestines or the tubes in the kidneys.
This term can also be used to describe a space defined by membranes of cell organelles such as the lumen of the mitochondria, the Golgi apparatus, and others.
Most likely A. An adaptation helping the organism survive.
Answer:
C
Explanation:
Resource availability may be the selection pressure, however, it will not lead to evolution. Evolution is by chance whereby offsprings accumulate mutations that result in phenotypic changes that may allow them to access other sources of food.
The fact is not included, thus the question cannot be answeredZ