What is a meaning of tentacle?

Study the following statements
A) Corallium rubrum is the precious red stone coral that belongs to Scyphozoa
B) Renette gland is an excretory gland found in round worms
C) Tubifex is an aquatic annelid
D) In chilopods, maxillae are modified into gnathochilarium

Among the above, the incorrect statements are

To which phylum does Cockroach belong? Justify your answer with scientific reasons.

Give scientific reasons. Our body irritates if it comes in contact with jellyfish.

Distinguish between butterfly and bat with the help of four distinguishing properties.

Draw and identify different parts of a tapeworm and liver fluke.

Write the characters of each of the following animals with the help of the classification chart.

Bath sponge, grasshopper, rohu, penguin, frog, lizard, elephant, jellyfish.