You are interested in finding out why crayfish can eat many toxic or noxious amphibian species.You find through a research project of the primary literature that the species of crayfish you are interested in studying has evolved from a lineage of ancestors that appear to have had resistance.This is a i)proximate explanation or ii)ultimate explanation?
A) i
B) ii
C) i and ii
D) None of the above

Question

Quizplus · Accepted Answer

This is an ultimate explanation because it focuses on the evolutionary history and adaptation of the species to their environment.

You Are Interested in Finding Out Why Crayfish Can Eat