A retionship where both species benefit is called

Mutualism is a symbiotic relationship in which both species benefit.

Explanation:

creative diagnostics provides a protocol for total protein extraction based on ripa which is widely used.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.