What is the purpose of the tentacles of coral polyps?
a.
defense
b.
food capture
c.
clearing
d.
all of the above

b. food capture

The coral polyps belong to the phyllum of Cnidaria. Each coral polyp exhibit a cup like structure with a ring of tentacles around the opening which is used as both mouth as well as anus. The tentacles possess stinging cells called as nematocyst. The tentacles in the coral polyps helps in capturing the prey in their habitat. They extend their tentacles to capture prey, they first kill the prey by stinging them with a toxic chemical liberated from their nematocyst cells, then they draw the prey towards their mouth.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

what are the options