Answer:
by having ex donateing sperm reproducing and helpkeep earth clean and stop violence
Explanation:
B. xylem and phloem. they transport water and nutrients throughout the plant
Complex organisms need cells that can perform many different functions. they need to be supported on a cellular level. Without specialized cells you they won't be able to perform different functions.
Active transport refers to a substance moving from areas in which it has low concentration to an area with high concentration, one example i guess is endocytosis, "<span>the taking in of matter by a living cell by invagination of its membrane to form a vacuole"</span>
I believe it is “animals and plants caanot directly use all the nitrogen found in our atmosphere”
