She recalled a page in the from her science textbook with a sequence of images revealing a slimy green frog being boiled alive, just the process though, it never showed the frog when it was actually dead, or maybe cooked was a better word.

Reason: Edited to be more specific, though the latter half of the sentence could definitely use a structural revision.

It’s neither good nor bad, in my opinion, but I do find it later contrasts with the image of a budding scientist gleefully ripping apart insects.

Normally, dew gathering on grass is something beyond human observation—you go to bed, and then when you wake up, the grass has dew on it. I’m not sure what to visually imagine while reading it, personally, so it distances me from the story.

The narrator’s backyard serves as an “acceptable” form of nature, one that is still largely shaped by cultivation for human use.

I wonder if you were as detailed, but zoomed in on the animal instead of such a large general overview, it might be more powerful. For instance, a large blue parrot twittered its happy song.