If factors(food, water, shelter, etc.) are limited-meaning there are VERY FEW of
them, what will most likely happen to the
organisms? Hint: There are 2 possible
answers. The organisms will most likely
Please two answer

What are the answer choices

Adapt or die out. I'm pretty sure these are the right answers considering they are what happen most frequently in nature to all types of animals and organisms.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.

i think the answer is a.keratin is the pigment responsible for skin color.