Question

write any two charactertics features of mollusca and porifera​

Answer 1

Answer:

Molluscans are very diverse animals and form an important part of the ecosystem in the world. Some animals that you are familiar with like snails, octopuses, squids, oysters, clams etc. all belong to Phylum Mollusca. Did you know that Molluscs with shells can produce pearls? Some of these are also eaten by humans in different regions of the world. Let us educate ourselves about this phylum of the Animal Kingdom.

Answer 2

Mollusca are the aquatic animals with the soft body covered with the hard calcareous shell. they are triploblastic and bilaterally symmetrical. The two important characteristics of Mollusca are as follows:

Coelom is reduced to a pericardial cavity around the heart.

The locomotory structure is represented by muscular foot