Question

Bring out five differences between the animals of annelida and arthropoda . name the bloodsucking ectoparasite of annelida

Answer 1

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*Annelida*
1. they have closed circulatory system.
2. Locomotion takes place with the help of parapodia.
3. blood pigment is Haemoglobin.
4. body is metamerically segmented.
5. excretion takes place with help of nephridia.
ex. leech


*Arthropoda*
1. they have open circulatory system.
2. Locomotion with help of jointed appendages.
3. blood pigment is haemocynin.
4. body consists of head, thorax and abdomen.
5. excretion with the help of malpighian tubules. ex. cockroach

Blood sucking ectoparasitic Annelida is hirudinaria( leech)

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