Q5 of 63 Page 176

Give the characteristics of phylum/group having the largest number of animals.

Phylum arthropoda has the highest number of animals. It’s features are :

1. Open circulatory system.


2. It has blood filled coelomic cavity.


3. They have jointed appendages.


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3

Animals of which phylum are considered to be the first animals having true body cavity, coelom? Name the phylum.

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Name the animal and its respective phylum having parapodia for locomotion.

 6

Give the features of the phylum to which Chiton and Pila belong?

 7

Vertebrata is considered as the most advanced group of animals. Give one reason.