Complex sentence: In biology, paternal care is parental investment provided by a male animal to his oternal care may provided in concert with the mother (biparental care) or, more rarely, by the male alone (so called exclusive paternal care).
Split into simpler sentences: In biology, paternal care is parental investment provided by a male animal to his own offspring. Paternal care may provided in concert with the mother (biparental care) or, more rarely, by the male alone (so called exclusive paternal care).