The microbe is found in all cases of the disease but is absent from healthy individuals. b. the microbe is isolated from the diseased host and grown in pure culture. c. when the microbe is introduced into a healthy, nonhuman experimental host, the same disease occurs. d. the same strain of microbe is obtained from a newly diseased host.

Which type of transport is responsible for oxygen entering into blood cells? a. vesicle b.passive c. facilitated d.active b.passive

Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.

Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next