In one to three paragraphs, describe dynamic changes that have occurred in the ecosystem you chose. Consider whether your ecosystem is degraded, restored, or neither, and list organisms that were once in the ecosystem but are no longer there.

Find and describe the climate zone in which you live,where else in the world do you find this climate zone? do you have any ideas about why the climates might be similar?

Which of the following is the most likely result of converting forestland to urban development? a.the amount of land available for lumber production decreases. b.fewer trees are needed because cities are made mainly of concrete. c.people discover more efficient ways to grow trees. d. the price of lumber goes down.

All living organisms are composed of a. only one cell. b. at least 100 cells. c. at least three cells. d. one or more cells.