A biologist studying a desert ecosystem observes that the population of a lizard species increases following a particulary hot, dry period that causes a snake population to decline what could the biol

A biologist studying a desert ecosystem observes that the population of a lizard species increases following a particulary hot, dry period that causes a snake population to decline what could the biologist hypothesize bout 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