| In primates, prosimians and Old World monkeys exhibit a moderate level of the enzymatic activity relative to mice and rabbits. |
| Primates, generally, are the longest-lived group, although some small prosimians and New World monkeys have relatively short life spans. |
| Some non-human primates, for example some prosimians, require nesting material, for example wood wool, dry leaves or straw. |
| Lastly, the most representative mammals of Madagascar are the lemurs, primitive prosimians which have kept a few insectivore features. |
| As in all prosimians, olfactory communication is well developed in sifakas. |
| As anatomists can readily see, the heel bones of prosimians are longer than those of anthropoids, giving them leverage for their long leaps. |
