Having abundant species in an ecosystem (plant or animal) the benefit one another is called <em>biodiversity. </em>Biodiversity can consist of the mere food chain, to complex symbiotic relationships among creatures. If an ecosystem were to have no species, there would be no balance between a self-sustaining ecosystem. Any naturally found ecosystem will have biodiversity, otherwise that ecosystem will break (usually it's brand new, crashing ecosystems have to have even one factor removed to do so. Therefore, why would this said 'ecosystem' even begin?).
As human has about 350 olfactory receptors and subtypes work in various conditions allowing us to sense about 10,000 doors. All senses of smell and tastes merge at the back of the throat.
As you taste something before smelling it the smell lingers on inside in the nose which makes you smell it. As both the smell and taste are chemoreceptors which means both have chemically same sensing environments.
In addition, the division of taste receptors within the nose coordinate with activities, although humans can distinguish between the tastes from the smells of the objects.
Working together to create a perception of flavor through the nasal passage.
