Assertion: paramecium | /r/HasAspect | large nucleus
Facets:
Source sentences:
text: A paramecium has a large nucleus called a macronucleus, without which it cannot survive, and one or two small nuclei called micronuclei, without which it cannot reproduce sexually.
text: A paramecium has a large nucleus called a macronucleus, which is essential for its survival, and one or two small nuclei called micronuclei, which are essential for sexual reproduction.
text: A paramecium has a large nucleus called a macronucleus, without which it cannot survive, and one or two small nuclei called micronuclei, without which it cannot reproduce sexually.