Question

Explain the general characters of phylum Arthropoda. Give one example of following classes
â(i) Crustacea; (ii) Myriapoda; (iii) Insecta; (iv) Arachnida.

Answer 1

Answer:

Arthropoda are those organisms that have jointed legs at one point and are generally insects. Insecta-beetle. Arechnida-scorpion. Myriapoda-earthworm. Crustacea-crab

Explanation:

If you want more information about arthropoda you can search on web or in 9th class ncert

Answer 2

Answer:

Phylum Arthropoda:

 It is considered as the largest group of animals in the world.

 Arthro means jointed and pod means leg.

 They have jointed legs.

 They are triploblastic animals.

 Their body is segmented into head, thorax and abdomen.

 They are bilaterally symmetrical

  They are broadly divided into four groups-

                   insects

                   myriapods

                   arachnids  

                   crustaceans

Examples:

      crustaceans - crabs

      myriapoda - millipedes

      arachnida - spiders

      insecta - ants

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