A biologist studying a desert ecosystem of theirs at the population of a lizard species increases of following a particularly hot dry. That causes a snake population to decline what could the biologist hypothesis about the roles of these two species? A) the lizard preys on the snake. B) the lizard is a parasite of the snake. C) the snake and lizard use the same limiting resource. D) the snake is a keystone species in the ecosystem.
the lizard preys the on the snake (a)