Surprisingly, out of this list of ten things, eight of them are sentences, and only two are fragments.
1) Bats are the true acrobats of the sky. -- simple sentence
2) Biobots are changing. -- simple sentence
3) I could not answer. -- simple sentence
4) Sloths are amazing animals. -- simple sentence
5) So we face big and difficult challenges. -- fragment
6) We do not quit. -- simple sentence
7) Wintriness responded to wintriness. -- simple sentence
8) Human nature takes its shape in the years between one and five. -- sentence
9) Education can sometimes seem overwhelming -- simple sentence
10) People who have seen them running wild in Russia. -- fragment
