The Seasons: Life and Its Rhythms |
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Page 192
... human being without a clock could hope to know within a few days when the nights first start to draw in ? And what human being without a calendar could hope to know when the reached , say , the first week in February ? year had A good ...
... human being without a clock could hope to know within a few days when the nights first start to draw in ? And what human being without a calendar could hope to know when the reached , say , the first week in February ? year had A good ...
Page 246
... ( Human hearts can also pound , but there is less difference in pace between an active human and one who is asleep than there is between an active and inactive bear . ) Bear body temperature is reduced in its torpid state , but only by ...
... ( Human hearts can also pound , but there is less difference in pace between an active human and one who is asleep than there is between an active and inactive bear . ) Bear body temperature is reduced in its torpid state , but only by ...
Page 273
... Human beings have in fact experimented on themselves in caves and potholes to test their reactions in timeless ... human experiments that they cannot properly be compared with laboratory animal experiments because the potential boredom ...
... Human beings have in fact experimented on themselves in caves and potholes to test their reactions in timeless ... human experiments that they cannot properly be compared with laboratory animal experiments because the potential boredom ...
Contents
List of Diagrams | 9 |
The Calendar | 17 |
The Basic Rhythms | 51 |
Copyright | |
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activity adaptation aestivation animals annual Antarctica Arctic Arctic circle astronomical autumn average axis basic basking shark behaviour bird migration birds breeding season cause cave climate cold continents cool-temperate cycle dark daylength desert despite Earth effect eggs environment equator example exist extremely fact ferret flower gland growth heat hibernation hormone human hypothalamus ice age inches insects land latitude leaf lemming less light living long day plants mammals metabolism migration miles million monsoon month moon nest night normal northern hemisphere oestrogen orbit organisms oxygen palolo worm period pituitary pituitary gland plants polar poles pressure rain rainfall regions rhythm round the sun sexual short day plants similar situation snow snow buntings southern species spring square miles summer surface temperate world temperature torpor trees trigger tropical warm warmer warmth weather winds winter zeitgebers zone