That’d be the 2nd one from the right.
That population has the highest variety of organisms(individuals) compared to the other populations.
Answer:
Competition
Explanation:
Predation refers to one animal killing & eating the other animal. Eg, as referred - tiger & deer (former eats latter)
Competition is when an organism competes with another for resources. Eg, as given - paddy & weeds (they compete for growth resources - like nutrients etc).
1983-1984 was when it was discovered