By logical errors I mean such simple things as Equivocation, Amphiboly, and Begging the Question.

Additionally, these authors suggested that monocrurate stapes are thought to be of positive fitness for aquatic mammals whereas bicrurate stapes provide enhanced hearing abilities for terrestrial forms; however, it is important to note that the functional significance of these conditions has not been explored in detail comparing animals of similar habitats.

The little bud of regenerated tissue which would normally have grown into a new tail had been removed.

The dishes need washing, the floor needs vacuuming, the laundry needs folding. Get on it!