In a ecosystem each organism has its own

Each organism has its own functional position in the community, referred to as its ecological niche. This is often likened to a role or occupation within a human community context. The arrows indicate the passage of food, and therefore energy flow, from one organism to another.

Explanation:

explanation:

venn diagram is pictorial representation with of circles showing the relation between two finite sets or things. the intersection part of two circles conveys the relation present in between those sets or things.

here in the venn diagram of sand and salt two circles represent sand and salt. but the area falling under the intersection of these circle represents the mixture of sand and salt.

so, in a venn diagram the mixture will be placed in a middle that is in between the intersection of two circles.