Question

1.
A. Choose the correct option.
These animals are sessile (stalk-less), sedentary (attached to the substratum),
and marine except one group that lives in fresh water. These are non-motile
animals attached to some solid support.
a. Cnidaria
b. Porifera
C. Platyhelminthes
d. Nematoda
2.
Which of the following belongs to cnidarian?
b. Liverfluke
a. Planaria
d. Hydra
3.
C. Scorpion
Which of the following belongs to arthropoda?
a. Tick
b. Liverfluke
d. Sea-urchin
C. Snail
mot?​

Answer 1

Answer:

1. porifera
2. hydra
3. snail

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Answer 2

Answer:

1. B) Porifera
2. D). hydra
3. c). snail mot.