IAS (Admin.) Mains Geography Biogeography-Factors Influencing World Distribution of Plants and Animals Study Material (Page 9 of 9)
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Other Biogeographic Classifications: MacArthur and Wilson՚s Method, Rapoport՚s Classification, Pielou՚s Classification, Muller՚s Classification, Morrone՚s Classification
MacArthur and Wilson՚s Method
They laid down the idea of island geography. The name was so given as it explained number of species that would colonize a new uninhabited island. This concept is exclusively ecological and focuses on number of species in an a…
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Euphausiids
Concept
Euphausiids are small shrimp-like crustaceans. Like other eucarids, they have a carapace (carapace) fused to the entire thorax and have stalked, compound eyes. Their basic body plan includes 5 cephalic, 8 thoracic, and 6 abdominal segments.
The first 2 body regions are fused as a cephalothorax (cephalothorax) . Their cephalic appendages consist of paired 1st…
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