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

Question

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

anonymous · Answer

I believe c is the right answer because snakes don't particularly prey on lizards.

anonymous · Answer

The answer is not D...