Homework #19 Grade 4 Due Monday 3/9

Animals with low-sensitivity light receptors....

• need a lot of light in order to respond and send information to the brain.

• need low light in order to respond and send information to the brain

• need no light in order to respond and send information to the brain

Animals with low-sensitivity light receptors....

• need a lot of light in order to respond and send information to the brain.

• need low light in order to respond and send information to the brain

• need no light in order to respond and send information to the brain

Which kinds of animals see better in bright light?

• animals with low-sensitivity light receptors.

• animals with high-sensitivity light receptors.

Which kinds of animals see better in low light?

• animals with low-sensitivity light receptors.

• animals with high-sensitivity light receptors.

How strongly something responds to information.

• sensitivity

• receptor

• structure

• processes

What is the function of the eye's light receptors?

• responds to light

• where light enters the eye

• processes information to main an image

• to transfer information from the receptors to the brain

What is the function of the brain?

• responds to light

• where light enters the eye

• processes information to main an image

• to transfer information from the receptors to the brain

How can a predator know if a prey is safe to eat?

• by comparing the image of the prey to memories

• from light reflecting off of the prey

• by making an image of the prey in the brain

• by shining a light directly in the eye of the predator

Which to images would represent what an animal with low-sensitivity light receptors would see

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Which to images would represent what an animal with high-sensitivity light receptors would see

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