G4_How animals can see in the dark

What is the name of the special layer of tissue at the back of the eye that helps animals see in the dark?

• Tapetum lucidum

• Choroid

• Retina

• Sclera

Which of the following animals has the largest pupils of all animals?

• Owl

• Cat

• Gecko

• Octopus

Which of the following animals can see ultraviolet light?

• Bee

• Bird

• Turtle

• All of the above

Why is it important for some animals to be able to see in the dark?

• • To avoid predators.

• To find food.

• To navigate their environment

• All of the above

Which of the following animals can see the best in the dark?

• • Cat

• Dog

• Cow

• Owl

Why can cats see so well in the dark?

• • They have a special layer of tissue in their eyes that reflects light.

• They have more rods in their eyes than humans do.

• Their pupils can open wider than ours.

• • All of the above

Which of the following animals does not see well in the dark?

• • Bat

• Human

• Owl

• • Fox

Bats use a special type of vision to navigate in the dark. This type of vision is called:

• • Echolocation

• • Infrared vision

• Night vision

• • None of the above

Which of the following senses is most important for animals that hunt at night?

• • Sight

• • Hearing

• Smell

• • None of the above

Which of the following animals uses its sense of smell to find food in the dark?

• • Snake

• • Owl

• Bat

• • None of the above