The Seasons: Life and Its Rhythms |
Contents
List of Diagrams | 9 |
The Calendar | 17 |
The Basic Rhythms | 51 |
Copyright | |
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Common terms and phrases
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