In science class, mark tried to grow a culture of the green bacteria he found in a pond. he put the bacteria on a plate of rich media and placed it in a warm, dark place, but nothing will grow. what category of bacteria did mark likely find?

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.