Answer: Liver
Explanation:
The hepatic portal system of liver connects the capillaries of the gastrointestinal tract to the liver. The nutrient rich blood from the gastrointestinal tract reaches the liver.
The blood that is returned back to the heart is first bought to liver and then it is returned back to the heart.
From the liver after processing the blood goes into heart for further processing.
Hence, the correct answer is option d
Hurricane Katrina was a density-dependent factor because this disaster affected everyone in the area. It did not selectively have an effect like
Variations in evolution usually refers to variation of genes at a particular loci. This differs from diversity which is the total of genetic differences within a population. Speciation is the reproductive isolation of a subset of a population.
Answer- C Genetic Drift Geographic Isolation.
