Category Archives: Biology Printables
Optical Illusions
The eye is made up of two different types of light receptors called cones and rods. Cones are necessary for color vision and to see well in bright light. Rods are necessary for seeing in low light. The two experiments … Continue reading
Dichotomous Key
To help in identifying objects like rocks, plants, animals, sea shells or other stuff, knowledgeable people create dichotomous keys. When using these keys you answer questions about the object always beginning with number one and following the directions as you … Continue reading
Eyes
Eyes are some of the most complex structures of the body. They use light and electrical impulses to allow our brains to see our surroundings. Human eyesight is our strongest of the senses. Our eyes have a lens that focuses … Continue reading
