A Phylogenetic Species Is Defined as the Smallest Diagnosable Group

question 29

True/False

A phylogenetic species is defined as the smallest diagnosable group that contains all the descendants of a single common ancestor.

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Definitions:

Calf Region

The posterior part of the lower leg, made up of the gastrocnemius and soleus muscles.

Caudal Vein

A vein located in the tail region of animals, especially noted in veterinary contexts, facilitating blood return from the tail.

Posterior Vena Cava

The large vein that carries deoxygenated blood from the lower and middle body into the heart.

Hepatic Portal Vein

The hepatic portal vein is a blood vessel that carries blood from the gastrointestinal tract and spleen to the liver, transporting nutrients and toxins for processing.