In human circulatory system, which blood vessel will has the highest blood pressure? a)vena cava
b)aorta
c)pulmonary vein
d)pulmonary artery

The asian shore crab (hemigrapsus sanguineus) is an invasive species that has impacted the atlantic coast. predict what characteristic of this invader would most likely disrupt the biodiversity of this area.

9. the history of life on earth is recorded in

Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.