Which of the following is a path of healthy blood flow? a. right atrium, right ventricle, lungs
b. right atrium, left atrium, lungs
c. left ventricle, left atrium, body
d. left ventricle, right ventricle, body ​

What is a population? a. all the members of the same species living in the same ecosystem at the same time b. the number of a species living in the same ecosystem over a period of time c. the total number of organisms living in an ecosystem at a point in time d. all the members of a food web in the same ecosystem