The puerto rican parrot population has changed a great deal throughout history, and in 1989, hurricane hugo had a big impact on the parrot’s status. describe how the population has changed and why.

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

How does deforestation affect the water cycle? a. it increases the amount of runoff b.it increases the amount of percolation c. it increases the amount of transpiration d. it increases the amount of precipitationa it increases the amount of runoff

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases