Ali Sajad · 2026-09-07T11:02:44.720Z

System option is correct according to Darwin natural selection that struggle for existence that one who has favorable character that reproduce more

Shayanalikhan · 2026-09-07T11:26:56.810Z

dekho survival organism ke genetic makeup and fitness pe depend karta , environment pe nahi , environment only causes environmental stresses that lead to natural selection , C is the right option because survival in struggle for existence depends on the hereditary material of the organism ,more fit organism is better adapted to environment leading to a better survival rate

Syeda Aaima Raza · 2026-09-07T12:49:06.374Z

it is ptb line