Assertion: horseshoe crab's number | /r/CapableOf | find shelter
Facets:
value: because of their small size
type: CAUSE
Source sentences:
text: The abundance of minnows may be attributed to three factors: they can occupy a great variety of habitats, most species require a relatively short period of time to reach breeding age, and a large number of minnows can occupy a small space and find sufficient food and shelter because of their small size