Question

Bioluminescence is prominent in the phylum ​

Answer 1

Bioluminescence is prominent in the phylum in Ctenophora.

• Ctenophora phylum comes in order after Cnidaria.

• Comb jellies have photo-cytes activated by Calcium ; it is responsible for emission of light.

• The main function of bioluminescence in Ctenophora organisms is to protect themselves by showing a bright light onto the prey.

• This surprises and startles the prey and confuses it , thereby prevents being preyed.

Other bioluminescent organisms are some of the zoo-planktons and planktons.

• More related information can be found in the ANIMAL KINGDOM chapter of NCERT biology class 11 book.

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Answer 2

Answer:

bioluminescence is the main character of phylum Ctenophora.

• ctenophores are also known as sea walnuts /comb jellies.

• another important character is their comb plates. they are 8 in number.  

• they are exclusively marine, radially and symmetrical also they are diploblastic.

• bioluminescence is a property of emitting light.this This is a special property of living organisms.  

• examples of ctenophores are Pleurobrachia and ctenoplana.  

• they all are invertebrates  

• ctenophores are colorless and transplant  

• we can see easily their inner body organs  

• note =  not all ctenophores are colorless