Given the fact "loss of resources has a negative impact on the organisms in an area", what is the answer to the question or completion "Worms die off during a heat wave. What affect does this have on the local fauna?"

Available options: (1). Worms are glad their rivals have died off before them; (2). The dirt is cleaner than ever; (3). Monkeys can find more bananas; (4). Flying creatures have more trouble finding food;
(4).