EVERYDAY SCIENCE

SCIENCE

ZOOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following aquatic organisms are totally marine?
A
Sponge
B
Hydras
C
Gastropods
D
Echinoderms
Explanation: 

Detailed explanation-1: -All Echinoderms like starfish, sea cucumber etc are exclusively marine.

Detailed explanation-2: -Hence, the correct answer is ‘Echinoderms’

Detailed explanation-3: -Phylum Echinodermata and Ctenophora are exclusively marine. They are only found in sea water.

Detailed explanation-4: -Echinoderms are, however, prominent members of the marine environment. They are exclusively marine animals.

Detailed explanation-5: -Starfish belong to the phylum Echinodermata.

There is 1 question to complete.