9 Questions
Which phylum exhibits organ level of organisation?
Platyhelminthes
In which phylum are cells arranged into tissues, exhibiting tissue level of organisation?
Coelenterates
Which organisms exhibit cellular level of organisation?
Sponges
Among these, in which organisms do some division of labour occur among the cells?
Sponges
What type of digestive system does Platyhelminthes have?
Incomplete - single opening serving as both mouth and anus
Which type of symmetry is exhibited by annelids and arthropods?
Bilateral symmetry
What characterizes the open type of circulatory system?
Blood is pumped out of the heart and directly bathes cells and tissues
What is the defining feature of closed type circulatory system?
Blood is circulated in a closed loop
In which organisms does any plane passing through the central axis of the body divide the organism into two identical halves?
Ctenophores
Test your knowledge of animal cell organization with this quiz. Explore the cellular level of organization in sponges and the more complex arrangement of cells in coelenterates. Discover the division of labor and activities among cells in different animal species.
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