Humans see with their eyes
Yes, cats can see humans.
Yes, humans can see the color yellow.
Humans cannot see ultraviolet and infrared colors.
Yes... Yes they do... A seahorse is not invisible so therefore humans can see it.
No, dogs cannot see things that are invisible to humans.
Dogs can see ultraviolet light, which is invisible to humans.
Humans see with color. Dogs simply have less cone receptors therefore they do not see light. Dogs only see in black and white.
We Humans all see by our Eyes.
Bees can see higher frequencies of electromagnetic waves than humans can. Bees see flowers in different colors then we do. Bees see color about triple the speed as humans do.
Turn on the flashlight, humans eyes can see object in light.
Indeed they are color blind, they cannot see colors that humans can see. But they can see the ultraviolet rays of the sun, that us humans can see.
The last species of humans that we do not see today are the species Homo Neanderthalenses. (pretty similar to humans we see today). It is not inappropriate Language. That is just what they are called.