Alex, I'll take Things I Can Disprove Off The Top Of My Head" for $1,000. - Heather

What about those animals who can impregnate themselves? - Melly #FForever

My first 2 thoughts were slugs, which are hermaphrodites, and whiptail lizards that are all female (asexual reproduction). But they must not count. - Heather

And sea monkeys! - Melly #FForever