Question

What are the basic differences b/w annelida and arthopoda?[ncert class 9 level ]

Answer 1

Answer:

the phylum annelida was created by Lamarck.. in 1809...they are both free living and parasitic and are found in variety of habitats like freshwater marine water as well as in land ...

Explanation:

1. their body is long cylindrical and elongated ...
2. there are bilateral symmetrical and triploblastic..
3. the the truth season is present in the annelida
4. the alimentary canal is tubular and complete with a mouth and anus
5. the circulatory system is of closed type
6. reproduction is sexual and success may be separated
7. for example earthworm sandworm sea mouse blood leech etc

the term Arthropoda is coined By karl Theodor.. it is the largest phylum of the animal kingdom

1. they live in all types of habitats on land in water and in sea as and as parasites on and in the bodies animals and plants
2. they are bilaterally symmetrical triploblastic and show organ system level of organisation
3. yeah body is externally segmented and covered with thick exoskeleton made up of chitin..
4. the segments are grouped to form head.... 1 segment bear add and joint legs which is a distinct feature of this phylum
5. digestive tract is complete mouthparts are movable and help in capturing and ingesting of food
6. most arthropod have compound eyes
7. fertilization is usually internal
8. for example cockroach prawn Scorpio spider house fly butterfly green grasshopper etc

hope this helps u