Question

protective of their eggs. to keep away unwanted guests, a male grass frog will try to scare away any other male frog that gets too close. at first, the male frog makes loud noises to warn the other male frog to leave the area. if that does not work, then the frogs may wrestle each other until one gives up and leaves. these fights can last for thirty minutes. based on clues in the text, why might a fly come near a glass frogs back? the fly might want to eat the frogs eggs. the fly might want to rest on the frogs back. the fly might want to ride on the frogs back. the fly might want to lay eggs on the frogs back.

Explanation:

The text mentions male grass frogs are protective of their eggs and try to keep away unwanted guests. A fly coming near could be because it wants to eat the eggs, which is a common predator - prey related reason in nature. There is no indication in the text that a fly would want to rest, ride, or lay eggs on the frog's back.

Answer:

The fly might want to eat the frog's eggs.