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A comment on The mystery of why one ant species goes after larger foes (2018). Parent comment

Re:The mystery of why one ant species goes after larger foes... by grawprog on Sunday October 04, 2020 @12:32PM (#24680238)
>What's even cooler is that the iguana also only eats seaweed and algae, which means it does not need to kill other animals to survive.

It still needs to kill other organisms to eat. The only organisms that don't kill something else to gain energy are photosynthesizers and decomposers like fungi that consume dead organic matter.

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Re:The mystery of why one ant species goes after larger foes... by Turing_Machine on Sunday October 04, 2020 @01:03PM (#24680490)
And, of course, even the decomposers depend on death to survive. Perhaps not directly, but if things stopped dying fungi would be in bad shape.
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