Question

4. Bioluminescence is
prominent in the phylum
O a) Porifera
O b) Platyhelminthes
O c) Ctenophora
O d) annelida​

Answer 1

Answer:

Ctenophora

Explanation:

They have the characteristic property of bioluminiscence

Answer 2

Bioluminescence is  prominent in the phylum Ctenophora.

Extra Information:

Ctenophora =>

1. Ctenophora belongs to sub-kingdom Eumetazoa and kingdom being Animalia.

2. Phylum Ctenophora consists of invertebrate animals which live in marine waters.

3. The reason by which Ctenophora shows bioluminescence is due to the activation of photoproteins(having calcium) which are found in photocyte cells.

4. In the classification of Ctenophora it has two classes namely Tentaculata(with tentacles) and Nuda(without tentacles).

5. Examples of Ctenophora are comb jellies, sea gooseberries, Beroe, Cestum etc.