A student is writing an expository essay about an invasive species of snail. They want to elaborate on this fact from a source:
These snails, previously considered harmless inhabitants of specific habitats, have now emerged as invasive species, significantly impacting native species.
Which of the following would best elaborate on this fact?
A description of how cute the snails' antennae are.
An example of another species that is not invasive.
A story about a time the writer saw a trail of snail slime in the woods.
A statistic that reveals just how large the snail population has grown over the last year.