After which event could you say with most certainty that evolution has occurred? (points : 3) one animal grows abnormally large. an allele frequency changes in a population. a new predator comes into an environment. a white-eyed fly is born into a population of brown-eyed flies.

b) the inside picture would look at a very high temperature in a very low ph

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.