Q: Moving water in a river is considered a renewable resource because it ----

A: can be recycled by nature over time

Q: A group of students plans to build a model of a local pond habitat. Which model best represents an environment similar to a pond? ----

A: a small plastic outdoor pool containing freshwater, native plants, and native animals

Q: Currently, Antarctica is the coldest and driest place on Earth. Paleontologists have found dinosaur fossils in rock layers below the ice. Based on this evidence, which is a reasonable conclusion about the climate of Antarctica in the past? ----

A: At some time in the past, Antarctica was much warmer and wetter.

Q: Which of the following best describes a role of mushrooms in ecosystems? ----
A: breaking down dead plant material