Which model of the digestive system is most detailed?(1 point) A. photograph of digestive system B. dissected pig C. 2D computer-generated model D. artist drawing

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

Which characteristics are typical of a human population in the postindustrial stage?

What are some natural processes that represent physical and chemical changes?