The study of animals is called zoology.
The correct answer is D.
There are two types of animals and these animals are as follows:-
According to the question, all the animals are part of mollusk except the whale because the whale belongs to the phylum mammalian Due to its big size and its 4 chamber heart.
Hence, the correct answer is D that is a whale.
For more information, refer to the link:-
https://brainly.com/question/19200238
