_____________have a great capacity of regeneration.

(a)

Physalia

(b)

Planaria

(c)

Trygon

(d)

Ctenophora

Sea squirts refers to______________

(a)

Hemichordates

(b)

Vertebrates

(c)

Jelly fishes

(d)

Urochordates

Air sacs are associated with lungs in_______________

(a)

Reptiles

(b)

Birds

(c)

Amphibians

(d)

Mammals

Pseudosegmentation is seen is_______________

(a)

Annelids

(b)

Arthropods

(c)

Platyhelminthes

(d)

Ascidians

Nereis have lateral appendages called __________

(a)

Parapodia

(b)

Body setae

(c)

Foot

(d)

Tube feet