I would have to go with B, since those that had certain traits that wouldn't aid them against the wolves would have been eaten, and those that did would have been able to pass on their genes.
Hopefully this is helpful to you in some way.
Blood types:
AB +
AB -
A +
A -
B +
B -
O +
O -
It is possible to have a child with O blood despite the parents having different blood types.
While the man tested for B blood, he could have been a combination between type o and B whereas, the woman was a combination of type A and o. Since A/B are dominant, they would 'stand out' contrarily to o.
This means that their children could have AB or O blood.
The answer is; right atrium, pulmonary arteries, pulmonary veins, left ventricle, aorta
Deoxygenated blood from the tissues flows into the heart through the vena cava vein. The blood is pumped by the right ventricle to the lungs through the pulmonary artery. The blood gets oxygenated in the lungs and flows back to the heart through the pulmonary vein. The heart (left ventricle) then pumps the oxygenated blood to tissues through the aorta.
Answer:
chemical that target the cells is 18. example endocrine gland eg.prosterior pituitary , hormone eg. ADH , target tissue eg. kidney
Is performed on animals answer B
