Which of the following was an early realization that gave rise to darwin's theory of natural selection?
a. most organisms share the same habitat.
b. the earth is younger than previously thought.
c. organisms do not appear to be closely related.
d. the earth and its organisms have changed through time.

Ais a group of individuals of the same that exist together in the same place at the same time

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.

According to these anatomical structures which two animals are probably most closely related