fossil – n. something (such as a leaf, skeleton, or footprint) that is from a plant or animal which lived in ancient times and that you can see in some rocks
dwarfism – n. the condition that causes a person, or creature, to stop growing before reaching normal adult size
primitive – adj. of, belonging to, or seeming to come from an early time in the very ancient past
bingo – expression. A word used to announce a successful result that is quick or unexpected