Eye Defects
What is the leading cause of severe or permanent vision loss in people over 60 years?
Answer: Macular degeneration
1. What is the clear, outer layer of the eye that helps to focus light?
Answer: Cornea
What is the name of the small holes or pores found on the leaf?
Answer: stomata
What part of the retina is affected in macular degeneration?
Answer: The macula
What part of the eye is responsible for controlling the amount of light that enters?
the iris
Where does transpiration mainly take place?
Answer: the leaves
Which eye condition is characterized by close-up objects appearing blurry?
Answer: Hyperopia (far-sightedness)
What is the term for the opening in the center of the iris?
The pupil
What happens to the water that leaves the plant through transpiration?
Answer: it evaporates
What causes presbyopia, a condition related to difficulty focusing on close objects?
Answer: The loss of elasticity of the lens in the eye due to aging
Which part of the eye is located just behind the pupil and helps to focus light onto the retina?
Answer: Lens
What is the primary purpose of transpiration?
Answer: to keep the plant cool
What is myopia, and how does it affect vision?
Answer: Myopia (near-sightedness) causes distant or far objects to look blurry.
True or False: The retina is located at the front of the eye.
False
True or False: Plants have small leaves in hot dry places to keep them from losing water.
Answer: True