i dont know either
Root hairs originate from the epidermis of plant roots. They are tiny outgrowths that increase the surface area of the root for better absorption of water and minerals from the soil.
The plural form of retina is retinas. As in "your retinas are healthy".
There are many different outgrowths that can be found on animals skin. You can find fur, scales, claws, antlers, and needles for example.
Bone depressions
Chivalry was an outgrowth of the feudal system
They have more rod cells.
yes.
Retinas, kidneys, spleen
you go blind
binary fusion
Birds.
The eclipse itself cannot damage your retinas. However, looking directly at the sun, as one might be tempted to do during an eclipse, can indeed cause damage.