Explanation:
I don't think your question is appropriate for me to answer.
Answer:
bacteria, archaea, eukaryota
Body parts supplied by vein or artery.
a.) Hepatic artery - liver
b.) Carotid artery - Brain, neck, and face.
c.) Thoracic aorta - Thorax
d.) Aorta - the Main artery supplies blood to down parts of the body from the heart.
e.) Cranial vena cava - Cranium
f.) Caudal vena cava - Tail.
New disease that affects the younger of a population, shortage of availability of food, new competitor for food, new predator of jaguars (though there arent many of those)