Differentiate between a diploblastic and a triploblastic animal.

Name the animal, which exhibits the phenomenon of bioluminescence. Mention the phylum to which it belongs.

Write one example each of the following in the space provided.

a. Cold blooded animal ________________________

b. Warm blooded animal ________________________

c. Animal possessing dry and cornified skin _______________

d. Dioecious animal _____________________

Give an example of the following

a. Round worm

b. Fish possessing poison sting

c. A limbless reptile/ amphibian

d. An oviparous mammal

Provide appropriate technical term in the space provided.

a. Blood-filled cavity in arthropods __________________________.

b. Free-floating form of cnidaria _____________________________.

c. Stinging organ of jelly fishes ______________________________.

d. Lateral appendages in aquatic annelids ___________________.