You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: ALL ABOUT ANIMALS 
Clue: A type of beetle & a species of seal are named for this large land herbivore
an elephant

Category: CUBA, SI! 
Clue: Turquino Peak, Cuba's highest, is in the chain known as this "Maestra"; California has one "Nevada"
sierra

Category: GENERAL SCIENCE 
Clue: This creator of the Periodic Table has an element named for him in the actinide series

dmitri mendeleev