Answer:
The answer is B. Mergus serrator and Mergus merganser
Explanation:
- <u><em>They are ducks and they are closley related.</em></u>
Answer:
pulmonary vein
Explanation:
The pulmonary veins
transfer oxygenated blood from the lungs to the heart.
It helps complete the pulmonary circuit, by receiving oxygenated blood in the alveoli and returning it to the left atrium.
Answer:
A disease model is an animal or cells displaying of the pathological process that are observed in the actual human or animal disease.
Answer: The flow of individuals in and out of a population introduces new alleles and increases genetic variation within that population. Mutations are changes to an organism’s DNA that create diversity within a population by introducing new alleles.
Explanation: