Why are humans not an invasive species

Originally Answered: Are humans considered an invasive species? No, because the term is generally applied only to species that were introduced to an ecosystem and cause harm. Humans were not introduced to any ecosystem. Instead, humans underwent what is called a 'natural range expansion.

Explanation:

Hope that helped if it did please give me brainiest Thanks! <333 :3

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.