Phylum Cnidaria
Coelenteron is term that means:
blood cavity
gut cavity
coelom cavity
homocoel
gut cavity
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Most primitive nervous system is characteristic of:A. flies
B. earthworm
C. hydra
D. round worm
Common example of coelenterates is:
A. jelly fish
B. cuttle fish
C. star fish
D. dog fish
Special characteristic of cnidarians, having two body forms, known as:
A. dioceous
B. monoicous
C. alternation of generation
D. hermaphrodite
Process in which at a certain point in life of an organism, organism changes its sex is called:
A. alternation
B. switch
C. protandry
D. dioceous
Hydra has a nervous system but lack
A. eyes
B. tentacles
C. cavity
D. brain
Who named phylum coelenterate?
A. hatcheck
B. leukart
C. Haeckel
D. Aristotle
Body cavity of hydra is named as:
A. hydrocele
B. homocoel
C. coelenteron
D. coelom
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