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Q: Why do animals need eyes?
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Is all people have eyes all animals have eyes therefore all people are animals a valid syllogism?

I think to make it valid, your second premise would need to be "Only animals have eyes". The statement "All animals have eyes" allows that there could be something that has eyes that is not an animal, so it does not require the conclusion tht all people are animals.


Do animals living in places with a little light need eyes?

YES


Why do cave dwelling animals have sightless eyes?

Cave dwelling animals may have sightless eyes due to a lack of light in their environment. Without light, there is no need for functional eyes, so evolution gradually led to the reduction or loss of eyes in these species. This adaptation helps these animals conserve energy and resources that would otherwise be used to maintain vision.


Why does a rattle snake have eyes?

For the same reason other animals do - they still need to see !


Why do animals living permanently in caves do not have eyes?

They do not need eyes, whichwould not work anyway, though many have vestigial eyes. The darkness in a cave, away from entrances, is absolute.


How do animals keep snow out of their eyes?

Animals keep snow out of there eyes by blinking :)


Why do animals close their eyes at night?

The animals close their eyes at night because at night humans show their inner beauty and the animals get digusted and close their eyes .


Do people and anials have the same eyes?

"Do people and animals have the same eyes?" Animals can have the same eyes as a human being. But most of them don't have the eyes of an human being.


Why have two eyes?

u probably need to eyes so it is easier to see. close one eye. u cant see like, the other half (get it?) and animals like deer, antelopes etc. need two eyes to watch for predators when they eat :)


What animals have eyes on stalks?

crabs have eyes on stalks :)


Do all nocturnal animals have beady eyes?

All nocturnal animals do not have beady eyes. An example of a nocturnal animal that does not have beady eyes is the cat.


Why does a jack rabbit have huge eyes?

Jack rabits have large eyes because they are prey animals. They need the ability to see far and wide so they can detect they're hunters.