Question

mouth and digestive system is absent in ​

Answer 1

Phylum Arthropoda has a digestive tract complete from mouth to anus.

B. Phylum Nematoda has a straight digestive tract and complete with anus.

C. Phylum Platyhelminthes has an incomplete digestive tract.

D. Phylum Porifera doesn't have digestive system. The members of phylum Porifera i.e Sponges, directly ingest the food with the help of choanocytes or collar cells.

So, the correct answer is'Porifera'. plz follow me and like my answer and mark my answer brainliest

Answer 2

Answer:

BIOLOGY

Digestive system is absent in

A

Arthropoda

B

Nematoda

C

Platyhelminthes

D

Porifera

A. Phylum Arthropoda has a digestive tract complete from mouth to anus.

B. Phylum Nematoda has a straight digestive tract and complete with anus.

C. Phylum Platyhelminthes has an incomplete digestive tract.

D. Phylum Porifera doesn't have digestive system. The members of phylum Porifera i.e Sponges, directly ingest the food with the help of choanocytes or collar cells.

So, the correct answer is'Porifera'.