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CBSE Class 9 Answered

Name any two protochordates  
Asked by ABHILASHA | 24 Feb, 2018, 02:42: PM
answered-by-expert Expert Answer
Balanoglossus and Amphioxus are examples of two protochordates.
Answered by Sivanand Patnaik | 24 Feb, 2018, 06:35: PM

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CBSE 9 - Biology
How many chambers are found in human heart
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Members of which phylum have a reduced body cavity?
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Write short note on Phylum Arthropoda.
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A group of children were playing on a heap of sand. One of them collected some shelled creatures from the sand. Being taught lesson on diversity in school, one of them identified them as snail.(i) Name the phylum to which snail belongs?(ii) Write two characteristic features of this phylum.(iii) Give few more examples of the particular phylum.
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