Diversity in Living Organisms
Diversity in Living Organisms > Ask Alfie
Hi
Draw neat labelled diagram of scorpion.
Structure of scorpion
1> These are found under stones, bark of trees, rotten leaves, cow dung and in burrows and crevices in dark places. 2> Body elongated, segmented, slightly compressed dorsoventrally and is divided into a prosoma (cephalothorax) and an opisthosoma. 3> The prosoma is un-segmented, narrow in front and broad behind and bears a pair of large medium eyes and 4 pairs of lateral eyes. 4> The opisthosoma is comprised of seven segmented mesosoma, five segmented slender metasoma and a sting or telson at the hind end. 5> The mesosoma is broad and jointed with prosoma and the second meso somatic somite bears a pair of comb-like sensory pectins below. 6> The 3-6 meso somatic segments bear paired stigmata or book-lungs along their ventrolateral sides for respiration. 7> The metasoma is slender, movably articulated and without appendages but is armed with poison apparatus. 8> The prosoma bears six pairs of appendages below, of which first pair is chelicerae, second pedipalpi and the remaining four pairs are walking legs. 9> The poison apparatus comprises an ampulla and curved spine or aculeus—the sting. 10> Sexes are separate and animals are viviparous.
1> These are found under stones, bark of trees, rotten leaves, cow dung and in burrows and crevices in dark places. 2> Body elongated, segmented, slightly compressed dorsoventrally and is divided into a prosoma (cephalothorax) and an opisthosoma. 3> The prosoma is un-segmented, narrow in front and broad behind and bears a pair of large medium eyes and 4 pairs of lateral eyes. 4> The opisthosoma is comprised of seven segmented mesosoma, five segmented slender metasoma and a sting or telson at the hind end. 5> The mesosoma is broad and jointed with prosoma and the second meso somatic somite bears a pair of comb-like sensory pectins below. 6> The 3-6 meso somatic segments bear paired stigmata or book-lungs along their ventrolateral sides for respiration. 7> The metasoma is slender, movably articulated and without appendages but is armed with poison apparatus. 8> The prosoma bears six pairs of appendages below, of which first pair is chelicerae, second pedipalpi and the remaining four pairs are walking legs. 9> The poison apparatus comprises an ampulla and curved spine or aculeus—the sting. 10> Sexes are separate and animals are viviparous.
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