If the xylem and the phloem in a plant are damaged, what happens to the plant?

How is an environment able to support different varieties of organisms?

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

Greenthe fossil record is the history of life recorded byhuman observationgod. climatologists. remains of the past.