Animal of phylum Porifera are characterised by
Animal of phylum Porifera are characterised by
Animal of phylum Porifera are characterised by
A sponge can be distinguished from other animals by the presence of
A sponge can be distinguished from other animals by the presence of Read More »
Which of the following combination of phylum and description is incorrect?
Which of the following combination of phylum and description is incorrect? Read More »
Most marsupial and all monotreme species today, are found in:
Most marsupial and all monotreme species today, are found in: Read More »
Mammals and living birds share all of the following characteristics except
Mammals and living birds share all of the following characteristics except Read More »
Which of the following characteristic is probably most responsible for the great diversification of insects on land?
Acoelomates are characterized by
The water vascular system of echinoderms
Vertebrates and tunicates share
Salamander belongs to the class: