Multiple Choice
Compared to the sponges,the radial animals are much more advanced in their
A) respiratory system.
B) excretory system.
C) nervous system.
D) circulatory system.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q33: A common characteristic of cnidarians is<br>A)an osculum.<br>B)dimorphism
Q34: The most typical habitat of cnidarians is
Q35: The ciliated larva of the cnidarians is
Q37: The structure of the nervous system in
Q39: Zooxanthelae<br>A)fix carbon dioxide and photosynthesize in a
Q40: Nematocysts are expelled when<br>A)the osmotic pressure reaches
Q41: Some nematocysts do not inject poison.
Q42: Reef-building corals have mutualistic algal cells in
Q43: The correct sequence in the life cycle
Q52: Ctenophores are propelled by eight plates bearing