Sentence:  Its life history is much simpler than that of the truly colonial bumblebees and can serve as an example of the life cycle of <WSD>many</WSD> other species . 
Meaning of the word marked with <WSD> tags:  a quantifier that can be used with count nouns and is often preceded by `as' or `too' or `so' or `that'; amounting to a large but indefinite number