Which term describes the chromosomal abnormality of having extra chromosomes? heteronomy
polysomy
haploidy
diploidy

What do scientists need to look at before developing an argument

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins