Use "solitarily" in a sentence

1. Coelenterates are multicellular organisms and can be found living solitarily or also in groups

2. Acorns occur solitarily or in pairs, exhibiting lengths of two to five centimeters; these fruits are variable in size and shape, but generally ovoid, turban-like with a shallow, thick cup of scales densely covered with yellowish hairs; the stalk is barely evident.