A cell that has DNA suspended in cytoplasm and not a nucleus is most likely a prokaryote, which have small DNA clusters called nucleoids
Feeling pain, hunger, thirst, sleepiness, and being aware of our thoughts and emotions are all examples of Internal stimuli.
If you’re trying to figure out if it’s true or false it’s true
Nature, in the broadest sense, is the natural, physical, material world or universe. "Nature" can refer to the phenomena of the physical world, and also to life in general. The study of nature is a large, if not the only, part of science. Although humans are part of nature, human activity is often understood as a separate category from other natural phenomena.[1]