The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 450
... characteristics unify the chordates and distinguish them from all other animals : a rodlike sup- porting structure , the notochord ; openings through the wall of the pharynx ; and a hollow nerve cord located on the dorsal side , or back ...
... characteristics unify the chordates and distinguish them from all other animals : a rodlike sup- porting structure , the notochord ; openings through the wall of the pharynx ; and a hollow nerve cord located on the dorsal side , or back ...
Page 1032
... Characteristic species and functions of the community are adapted to the habitat in which they occur . Along a continuous environmental gradient the characteristics of one community change , often smoothly , into those of other ...
... Characteristic species and functions of the community are adapted to the habitat in which they occur . Along a continuous environmental gradient the characteristics of one community change , often smoothly , into those of other ...
Page 1034
... Characteristics of habitats Kinds of communities recognized as belts forming a sequence along a major environ- mental gradient Characteristics of landscapes as patterns rather than particular communities terms used for the units of ...
... Characteristics of habitats Kinds of communities recognized as belts forming a sequence along a major environ- mental gradient Characteristics of landscapes as patterns rather than particular communities terms used for the units of ...
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