Question 17(Multiple Choice Worth 5 points) (01.02 MC)
Which of the following is likely true of a wetland but not a coral reef?
O Has extremely high level of biodiversity
OLocated primarily in the tropics and subtropics
OFilters contaminants from polluted fresh water
O Damaged by sedimentation and rising water temperatures

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food