they take clues from physical events. This coud be position of sun, tidal movement, fading daylight, temp changes etc. many dogs know its time for a walk when they hear owners favourite tv show end tune. animals have no concept of time and do not understand today or tommorow they just react to the changes above.
2006-07-24 23:53:08
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answer #1
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answered by onapizzadiet 4
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They are oriented towards the solar rays (Sun rays). For directions, it is believed that the birds have magnetic orientation.
Again, some animals, which are nocturnal, come out only after dark. However, it is proved that they cannot see in New Moon day and needs some light, reflection of sun rays on moon surface, which then is magnified or increased luminously with the help of a reflector. In the absence of sun rays, they practically hibernate.
2006-07-25 09:50:01
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answer #2
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answered by tnkumar1 4
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Biological clocks are responsible for the endogenous (internally generated) rhythms exhibited by animals. These rhythms persist in the absence of external cues (i.e. environmental rhythms) because they are driven internally by the clock. In constant conditions, for example where there is 24 hours light and so no means to "tell the time", biological clocks are said to "free-run". This means the rhythm(s) they control continue but the period (length of the rhythm) deviates slightly from that of its environmental counterpart. This natural or free-running period of the clock is called tau. So, while biological clocks are linked to the environment that surrounds them , allowing them to have the uses described below, they can also continue to run and "tell time" without these cues. This is important because organisms can find themselves in situations where these cues are absent but it is still vital they have a functioning clock. For example, during hibernation many of the normal environmental cues are missing but the organism still needs to know and be be able to measure time if it is to wake from hibernation at the right time and ensure its future survival.
2006-07-25 08:05:47
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answer #3
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answered by Anonymous
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They know the diffrence by light and dark they don't realy know the time. if you closee the lights 2 in the afternoon they will shut up thinking it time to be quiet.
2006-07-25 16:09:17
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answer #4
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answered by jackwalz 3
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thier position according to sun/moon, and landmarks and when food is available, mark passage of time for animals. Or they just look at thier wristwatch.
2006-07-25 06:51:31
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answer #5
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answered by Boliver Bumgut 4
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they have internal body clocks and they listen to sounds outside (eg. morning- chattering of birds)
they can feel it too like when it gets hot in the afternoon. if there's a window they can look outside and know.
2006-07-25 15:45:54
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answer #6
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answered by -WANTED- 3
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The sun, and light level, without it their biological clock gets confused.
2006-07-25 10:30:51
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answer #7
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answered by fatwhale90 4
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It's nature clock. Humans have it, too, but we use all kind of technologies so we don't use it too much.
People who live on the country and nature, where you don't have all gadgets, use that natural clock.
2006-07-25 06:57:02
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answer #8
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answered by Sasha 2
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WHEN LIFE ORIGINATED THERE WAS NO DEVICE FOR KNOWING TIME.LIKE THIS ANIMALS WILL BE HAVING AMENTAL CALCULATION ABOUT IT.THEY NEED TIME ONLY PURPOSE THINGS THEY WILL BE REMEMBERING IT.
2006-07-25 06:53:50
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answer #9
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answered by FAZIL M 1
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they don't, time is relative they have no concept of time only instinct.
Time to eat. Time to sleep, etc.
2006-07-25 06:48:48
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answer #10
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answered by sonnyd_is_me 2
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