Q33 of 525 Page 236

The feature that is not a characteristic of protochordata?

Protochordates are bilaterally symmetrical, triploblastic and coelomate. They have a closed circulatory system. Example- Amphioxus

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31

Skeleton is made entirely of cartilage in

 32

Amphibians do not have the following

 1

Give one example of each

(i) Asymmetry, radial symmetry and bilateral symmetry;


(ii) Acoelomate, pseudocoelomate and haemocoelomate.

 2

Why is Euglena is called plant-animal?