Some examples to illustrate how the categories we conventionally and automatically use to describe the world are contingent and a function of us, rather than given.

The tree and the ants, for which we could substitute any of the complex multi-system adptations such as the fit of the flower’s trumpet to the beak of a specific bird, etc. David Attenborough documentaries are a good source here.

Useful quote:
A hen is only an egg’s way of making another
Samuel Butler, Life and Habit.

Plato’s shadows on a wall, which bore lawful relations to the casters, but were mistaken for the thing itself.