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

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time

The idea of spontaneous generation was disproved by in a experiment involving jars of meat