Unless specified otherwise, yes.
Public domain images have no copyright restrictions.Creative Commons images are protected by copyright, but have extremely broad licenses.
No. In fact, the opposite is true. Most of the images you will find on Google® ARE protected by copyright which belongs to their respective owners.
Materials are not required to have a notification on them in order to be protected.
Photos online would be protected by copyright unless specifically stated otherwise.
Yes. There is no minimum age for copyright protection, and the images are automatically protected as soon as they are taken.
Video piracy is the act of copying video images and sound that are protected by a copyright, without the permission or consent of the copyright owner.
Because works are automatically protected as soon as they are fixed in a tangible medium, you may assume that any video you encounter online is protected by copyright unless otherwise specified.
Copyright protected or trademark images, such as cartoon characters, require licenses from their owners.
Any designs or images you paint must be your own original work, based on public domain images, or properly licensed. But the original images you paint are automatically protected by copyright for the rest of your life and then some.
Yes. Virtually anything you encounter online, unless specified otherwise, is protected by copyright.
Products are better protected by trademark than copyright; registration can be done online at the link below.
You can use others' protected material if you have an exemption in the law or a license from the copyright holder.