The suborder prosimians includes:Group of answer choicesnocturnal species.arboreal dwellers.vegetarian/insectavores.all of these.

To answer the question regarding the suborder prosimians and the provided options, we need to consider the characteristics of this group.

Characteristics of Prosimians

1. Nocturnal Species: Many prosimians, such as lemurs and lorises, are indeed nocturnal, which means they are active during the night.
2. Arboreal Dwellers: Prosimians primarily live in trees (arboreal environments), which is a common trait among many members of this group.
3. Vegetarian/Insectivores: The diet of prosimians can vary; some are primarily vegetarian (eating fruits and leaves), while others may consume insects.

Evaluation of Options

• A. Nocturnal species: True for many prosimians.
• B. Arboreal dwellers: Also true for most prosimians.
• C. Vegetarian/insectivores: This is true as well because prosimians can be either.

Conclusion

Since all the options provided are characteristics of prosimians, the most accurate answer is:

D. All of these.