A new organism has been discovered. This organism has a bilaterally symmetric unsegmented body. It's capable of moving on its ow
n with a muscular appendage and is encased in a large shell that seems to be attached to its body. Based on this evidence, which phylum would this new animal likely be classified into? A. Arthropoda B. Echinodermata C. Nematoda D. Mollusca
The organism that has a bilaterally symmetric unsegmented body and is capable of moving on its own with a muscular appendage which is encased in a large shell that seems to be attached to its body belongs to the phylum Mollusca.
Answer: Option D
<u>Explanation:</u>
The organisms that are present in the earth are majorly divided into 2 kingdoms that is the plant kingdom and the animal kingdom. The animal kingdom is divided into groups called as phylum depending upon its morphological and behavioral characteristics.
Its fibers are longer than they are wide, and they are striated, like skeletal muscle fibers. But, unlike skeletal muscle fibers, cardiac muscle fibers have distinct ends to them, called intercalated discs.
