What are spicules ?

What is hypothesis? What are variables?

What are trichomes and what is their function?

What are reactants ? What are products ?

A molluscan with calcareous spicules is

A molluscan with calcareous spicules is

A molluscan with calcareous spicules is

Presence of canal system and spicules as skeleton are characteristics of which group of animals ? Give two examples.

Name (a) A limbless animals (b) A cold blooded animals (c ) A warm blooded animal (d) An animal possessing dry and cornified skin (e) An animal having canal system and spicules (f) An animal with cnidoblasts

Name (a) A limbless animal (b) A cold blooded animal (c) A warm blooded animal (d) An animal possessing dry and cornified skin (e) An animal having canal system and spicules (f) An animal with cnidoblasts