Which is a feature of the like cycle of flowering seed plants, but not a feature of the life cycle of non flowering seed plants?

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.

The passing on of genetic traits from parents to offspring.