Environmentalists are monitoring an area of tropical forest that is being deforested because of human activities. The graph here shows the scientists'
predictions based on the data they have collected.

How is the ecosystem likely to change as a result? Select the two correct
answers.
A. Soil enrichment
B. An increase in oxygen
C. Loss of habitat
D. Loss of species

Sea levels are rising due to climate change while increasing numbers of people are moving into coastal areas. to accommodate more people, there has been increased construction of beachfront resorts and condominiums. how is this impacting sea turtle numbers and biodiversity and why? a. the increased human population in coastal areas has meant that more food is available to the turtles (e.g., dropped food, waste from restaurants), which has led to an increase in the numbers and diversity of sea turtles. b. there has been very little change in the numbers and biodiversity of sea turtles because the planet is so vast that they can simply relocate to less crowded beaches. c. this has resulted in a decrease in numbers and diversity of sea turtles because it is restricting available nesting sites, and hence reproduction. d. this has resulted in an increase in numbers and diversity of sea turtles because people are around to protect them from natural predators.

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system