Across
- 4. a basic unit of heredity that transfers a trait from one generation to the next
- 5. material made up of a group of cells that are similar in form and perform a certain function
- 6. lacking the ability to distinguish between two more colors
- 8. able to feel or notice small changes easily irritated or damaged
- 9. computer programs or applications designed for mobile electronic devices such as cell phones
Down
- 1. cells in the eye's retina that are light sensitive and work best in dim light
- 2. cells in the eye's retina that are color sensitive and work best in bright light
- 3. the distance between two consecutive high or low points of a wave
- 7. tissue at the back of the eye that receives images and transmits them to the brain