If you are seeing organic traffic exclusively, this probably means that you have not turned auto-tagging on in Adwords.
By turning auto-tagging on you will be enabling our system to differentiate between clicks that come from your ads and traffic that comes to your website organically.
In order to turn auto-tagging on, please follow these instructions:
1. Sign into your Adwords account.
2. Click the Campaigns tab.
3. In the left menu, click the Shared library.
4. Scroll all the way down and click on VIEW under URL options
5. Turn Auto-tagging to Yes
6. Click Save.