Which is the correct direction of blood flow?
Question 1 options:

right atrium --> right ventricle --> pulmonary artery

left ventricle --> left atrium --> aorta

right atrium --> left atrium --> pulmonary artery

left ventricle --> pulmonary artery --> aorta

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair

Consider this plant cell which organelle is labeled g