Its an Researcehd Argumewntative essay so you need to argue why Moreau hold the most power and why there are not many female characters in the novel. Here are some sources: 
Figgins, Kristen. “‘Are We Not
Men?’: Science, Sympathy, and Women in Adaptations of H.G. Well’s The Island
of Dr. Moreau.” LFQ, 2019,
lfq.salisbury.edu/_issues/47_3/are_we_not_men_science_sympathy_and_women_in_adaptations_hg_wells.html.
Accessed 30 Apr. 2024.
“Gender and Power
Dynamics.” University of Auckland, www.auckland.ac.nz/en/students/student-support/personal-support/be-well/healthy-relationships/gender-and-power-dynamics.html. Accessed 30 Apr. 2024.
Harper Webb, Charles.
“Power Dynamics in Relationships Between Men.” Psychology Today, 22 July 2022, www.psychologytoday.com/us/blog/drawing-the-curtains-back/202207/power-dynamics-in-relationships-between-men. Accessed 30 Apr.
2024.
Rajasekaran, Dr. V.,
and K Rajesh. “”Political Traditions and Power Structures in H.G. Well’s: The
Island of Dr. Moreau.” ResearchGate, Apr. 2017, www.researchgate.net/publication/315836233_Political_Traditions_and_Power_Structures_in_HG_Wells’s_The_Island_of_Dr_Moreau. Accessed 30 Apr.
2024.
Thompson, Matthew.
“‘The White Face of Moreau’: Race, Gender, and Animalism in the Literature of
the Imperial Campaign.” University of
Nottingham, vol. 12, no. 2041–6776, 2020, cccneb.instructure.com/courses/19374/pages/synthesis-slash-rae-sources-wells?module_item_id=1490859. Accessed 30 Apr.
2024.