Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct? (a) Penguin is homoiothermic while the remaining three are poikilothermic. (b) Leech is a fresh water form while all others are marine.(c) Spongilla has special collared cells called choanocytes, not found in the remaining three. (d) All are bilaterally symmetrical.

Which one of the following statements about all
the four of Spongilla, leech, dolphin and penguin is
correct?
(a) Penguin is homoiothermic while the remaining
three are poikilothermic.
(b) Leech is a fresh water form while all others are
marine.
(c) Spongilla has special collared cells called
choanocytes, not found in the remaining three.
(d) All are bilaterally symmetrical.
by

1 Answer

Answer :

c) Spongilla has special collared cells called
choanocytes, not found in the remaining three.
by

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