Question

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

Answer 1

a. A limbless animal:

• Class Amphibia has a sub-class Apoda. The members of this class are without limbs.
• They are commonly called caecilians.

Final answer: Ichthyophis.

b. A cold blooded animal:

• Cold blooded animals are also known as poikilotherms.
• They cannot regulate their internal body temperature according to the changing environment.
• All creatures except birds and mammals are cold blooded.

Final answer: Bufo (Toad).

c. A warm blooded animal:

• Warm blooded animals are also known as homeotherms.
• They can regulate and maintain their constant internal body temperature.
• Birds and mammals are warm blooded animals.

Final answer: Elephas (Elephant).

d. An animal possessing dry and cornified skin:

• Reptiles are terrestrial animals that have highly cornified skin with scales to prevent dessication.

Final answer: Naja (Indian cobra).

e. An animal having canal system and spicules:

• The cavities in the body of the sponge forms the canal system.
• Sponges possess an internal skeleton of spicules which can be calcareous or siliceous.

Final answer: Euspongia (bath sponge).

e. An animal with cnidoblasts:

• Cnidoblast or stinging cells are present in the members of the phylum Coelenterata.
• They play a role in defence, attachment and capturing prey.

Final answer: Obelia (sea-fur).