Landing pages from standard ad groups
Dynamic Search Ads are the easiest way to find customers searching on Google for precisely what you offer. Dynamic Search Ad headlines and landing pages are also generated using content from your website, which keeps your ads relevant and saves you time.
You are responsible for the final text that appears in your ad, so keep this in mind when choosing which landing pages to target.
Learn more here: https://support.google.com/google-ads/answer/2471185