Question

B. Fill in the blanks

The mouth of Cnidarians is surrounded by a number of finger-like projections called
The tough outer covering on the body of arthropods is called

The entire body of Mollusca is covered by a fold of thin skin called
4. In Pisces, the heart is
chambered​

Answer 1

Answer:

hii... fill kaaha karna hai

Answer 2

The mouth of nutrients is surrounded by a number of fingerlike projections called tentacles
Tough outer covering on the body of arthropods is called as exoskeleton
The entire body of a mollusca discovered by a fold of thick skin called mantle
In pisces the height is two chambered