(a) Both A and R are true and R is the correct explanation of A (b) Both A and - Biology - Animal Kingdom

Question

(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of
A
(c) A is true but R is false
(d) A is false but R is true
Assertion: phylum porifera are commonly known as sponges they
are
generally and mostly asymmetrical animals
Reason: sponges have a water transport or canal system water
enter
through minute pore Ostia in the body wall into a central cavity
from
where it goes out through the osculum

Fakeha Anis · Accepted Answer

Dear student,
Please find below the answer:

The correct option is (a)
Members belonging to the phylum Porifera are commonly known as
sponges They are generally marine and mostly asymmetrical animals
Their bodies are porous Their bodies have holes or pore (Ostia) all
over, which allows the circulation of water throughout the body and
bring in food and oxygen
Hope this clears your doubt
Regards