Not correct. There were many animals in the barnyard: chickens, pigs, sheep, and geese.
Explanation:
The column after "barnyard" shows a series of items will be listed or follow. colons indicate or announce explanation or examples after an independent clause. Example, when we want to give examples or offer explanation after saying "It should happen this way:". The items that follow in this fashion will be written after a colon since they come after something like an announcement.
The Earth’s rotation creates an outward force that is highest at the equator and zero at the poles. Since the Earth is not perfectly solid throughout, this force results in the Earth being ‘squashed’ into a slightly flattened sphere.