Supply the Name of the Missing Vein from This Sequence

question 80

Multiple Choice

Supply the name of the missing vein from this sequence: superior mesenteric and splenic veins, ________, inferior vena cava.

• A) phrenic vein
• B) hepatic portal vein
• C) adrenal vein
• D) renal vein
• E) azygos vein

---

Definitions:

Population Genetics

The study of the distributions and changes of allele frequency in a population, as influenced by evolutionary processes such as natural selection, gene flow, mutation, and genetic drift.

Community Dynamics

The variations, changes, and interactions between species within a community over time.

Biogeography

The study of the distribution of species across space (geography) and time.

Fitness

In evolutionary terms, fitness refers to the ability of an organism to survive and reproduce, thus passing its genes to the next generation.