Life forms that are green and that can synthesize their own food using light energy were put in the plant kingdom.
(Life forms; are; green) (Life forms; can synthesize; their own food) (Life forms that are green and that can synthesize their own food; were put; in the plant kingdom)
Life forms Life forms Life forms that are green and that can synthesize their own food
are can synthesize were put
green
their own food
in the plant kingdom