Question

A jellyfish is a type of cnidarian, a squid is a type of mollusk, and a dolphin is a type of vertebrate. Which two characteristics are present in both a squid and a dolphin, but not present in a jellyfish?

A. multicellularity and body tissues

B. an endoskeleton and a notochord

C. bilateral symmetry and a coelom (C is the answer)

D. radial symmetry and a segmented body plan

Answer 1

Bipeteral symmetry and a coelom

Answer 2

The answer is bilateral symmetry and a coelom

Step-by-step explanation:

Most members of the phylum to which jellyfish belong, Cnidaria, exhibit radial symmetry, including most hydras, corals and sea anemones. Coelom is the body cavity filled with fluid that runs the complete length of vertebrates to divide the body of an organism into inner tube and outer tube. Coelom at embryonic stage, divides the mesoderm into two layers.