The school nurse has come to talk to your anatomy class about the growing problem with teenage hypertension. Your teacher asks
your class to consider how to investigate the problem at your school. Your lab group is planning to conduct an investigation to test
the effects of various stimuli on blood pressure. Your lab group considers several possible causes of high blood pressure in teenagers.
Which of these variables is NOT testable?

Fossils found in strata reveal that a) innate drive to complexity of life b) unused body parts decrease in size c) older strata carry fossils that differ greatly from living organisms d) geologic changes occur quickly on earth

Competition occurs between species when

Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot.active transport involves transport proteins, and facilitated diffusion does not.facilitated diffusion involves transport proteins, and active transport does not.active transport requires the expenditure of cellular energy, and facilitated diffusion does not.