Which statement best describes 'Environmental DNA (eDNA),' a term often discussed in the media?
1
eDNA is DNA that is directly sampled from an individual organism.
2
eDNA method helps in biomonitoring without requiring the collection of the living organism
3
eDNA can persist in the environment for time without any degradation.
4
The integrity of eDNA samples is dependent upon its preservation within the closed laboratory environment.