0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

The advancement of cnidarians over Porifera is
  1. True germ layers
  2. Muscle cells
  3. Both A and B
  4. Indefinite symmetry

A
Muscle cells
B
True germ layers
C
Indefinite symmetry
D
Both A and B
Solution
Verified by Toppr

Porifera have a cellular level of an organization whereas Cnidaria has tissue level of organization. Thus, they all have two germ layers as epidermis (outer) and gastrodermis (inner) with a hollow body cavity, called as gastrovascular cavity and so are true layers. They have muscle cells, which helps in locomotion. Therefore, the correct answer is option D.

Was this answer helpful?
0
Similar Questions
Q1
The advancement of cnidarians over Porifera is
View Solution
Q2
Enlist the characteristic features of cnidarians which show advancement over poriferans?
View Solution
Q3

What is the body symmetry of cnidarians or coelenterates?

View Solution
Q4
Short answer questions:
Enlist two advancements of coelenterates over porifera.
View Solution
Q5
State whether true or false:
Poriferans and Cnidarians are radially symmetrical.
View Solution