Complex sentence: This will be characterized by increased mating effort and decreased parenting effort, as investment in mating effort may be incompatible expression of parental care due to insufficient time and energy to engage in all of these facets of reproductive effort.
Split into simpler sentences: This will be characterized by increased mating effort and decreased parenting effort. Investment in mating effort may be incompatible expression of parental care, as there may be insufficient time and energy to engage in all of these facets of reproductive effort.