New ask Hacker News story: Ask HN: Are there any complex lifeforms which don’t inflict harm upon another?

Ask HN: Are there any complex lifeforms which don’t inflict harm upon another?
3 by desertraven | 1 comments on Hacker News.
I hope that question makes sense. Of late I’ve noticed the death toll simply being a human inflicts on other lifeforms. That’s aside from eating them! Are there any complex life forms that don’t hunt, or cause harm to organisms in their environment? Plants..? Sea slime?