Both a deer and a tree react to changes in their external surroundings, them to maintain a constant internal environment. this statement describes
a. predationb. homeostasisc. antibiotic resistanced. autotrophic nutrition

Vessels draining the myocardium of the heart, open primarily ,into which chamber?

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.

Why are human population trends difficult to predict?