Sarthworms are known as 'friends of farmers' because they make Gurrews in the soil and make it porous which helps in respiration and perestation of the developing plant roots. The process of increasing fertility Staral by the carthworms is called vermicomposting. They are also used s buat in same fivhing. fointed legs. \& periplanet a tumenicana Cackraches are brown or black bodied animals that are included if पatta onextabis cias inserta of Phylum Arthropoda. Bright yellow, red and green coloured x di whon of body into cockradies have also been reported in tropical regions. Their size ranges funchivel wash wis eale. Fort to inches to 3 inches (0.6−7.6 cm) and have long antenna, legs and tigwatigat pon meturnar omminores that ine in damp places throughout the world. They
7.4.1 Morphology
The adalts of the common specles of cockroach. Periplaneta americana are about 34-53 mm long with wings that extend beyond the tip of the abdimen in males. The body of the cockroach is segmented and divisible - wo three distinct regions - head, thorax and abdomen (Figure 7.14). The entire body is covered by a hard chitinous exoskeleton (brown in aigurit. In each segment, exoskeleton has hardened plates called sclerites fereses darsally and steraites ventrally) that are joined to each other by attrinand fecibic articular membrane (arthrodial membrane).
Figure 7.14 Extemal features of cockroach

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Sarthworms are known as 'friends of farmers' because they make Gurrews in the soil and make it porous which helps in respiration and perestation of the developing plant roots. The process of increasing fertility Staral by the carthworms is called vermicomposting. They are also used s buat in same fivhing. fointed legs. \& periplanet a tumenicana Cackraches are brown or black bodied animals that are included if पatta onextabis cias inserta of Phylum Arthropoda. Bright yellow, red and green coloured x di whon of body into cockradies have also been reported in tropical regions. Their size ranges funchivel wash wis eale. Fort to inches to 3 inches (0.6−7.6 cm) and have long antenna, legs and tigwatigat pon meturnar omminores that ine in damp places throughout the world. They
7.4.1 Morphology
The adalts of the common specles of cockroach. Periplaneta americana are about 34-53 mm long with wings that extend beyond the tip of the abdimen in males. The body of the cockroach is segmented and divisible - wo three distinct regions - head, thorax and abdomen (Figure 7.14). The entire body is covered by a hard chitinous exoskeleton (brown in aigurit. In each segment, exoskeleton has hardened plates called sclerites fereses darsally and steraites ventrally) that are joined to each other by attrinand fecibic articular membrane (arthrodial membrane).
Figure 7.14 Extemal features of cockroach

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Question Text	Sarthworms are known as 'friends of farmers' because they make Gurrews in the soil and make it porous which helps in respiration and perestation of the developing plant roots. The process of increasing fertility Staral by the carthworms is called vermicomposting. They are also used s buat in same fivhing. fointed legs. \& periplanet a tumenicana Cackraches are brown or black bodied animals that are included if पatta onextabis cias inserta of Phylum Arthropoda. Bright yellow, red and green coloured $x$ di whon of body into cockradies have also been reported in tropical regions. Their size ranges funchivel wash wis eale. Fort to inches to 3 inches $(0.6 - 7.6 cm)$ and have long antenna, legs and tigwatigat pon meturnar omminores that ine in damp places throughout the world. They 7.4.1 Morphology The adalts of the common specles of cockroach. Periplaneta americana are about 34-53 mm long with wings that extend beyond the tip of the abdimen in males. The body of the cockroach is segmented and divisible - wo three distinct regions - head, thorax and abdomen (Figure 7.14). The entire body is covered by a hard chitinous exoskeleton (brown in aigurit. In each segment, exoskeleton has hardened plates called sclerites fereses darsally and steraites ventrally) that are joined to each other by attrinand fecibic articular membrane (arthrodial membrane). Figure $7.14$ Extemal features of cockroach
Updated On	Sep 17, 2022
Topic	Mathematics
Subject	SSC
Class	Class 11
Answer Type	Video solution: 1
Upvotes	149
Avg. Video Duration	4 min

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