Rodney wants to research the effect of plastic litter in the oceans on baleen whales' digestive systems. Which subfield of marine biology is he likely to be specialized in?

A.

microbiology

B.

ichthyology

C.

marine mammalogy

D.

fisheries and aquaculture

E.

deep-sea ecology

Option C, marine mammalogy

Explanation:

A marine mammalogist is interested to study about the

a) Mammal population & its management

b) Evolution history of mammals

c) Behavior Anatomy

d) Physiology

e) Interaction of mammals with the surrounding environment.

Whale is a mammal and hence any study that deals with the effect of any external factor on the digestive system of whale shall be dealt by a marine mammalogist

Hence, option C is correct.

C.

marine mammalogy ttyl