Jorge made a model of a cell in a clear plastic zipper bag. he used a plum for the nucleus and kidney beans for mitochondria. why is this model for learning about cells? a. it is larger than a real cell. b. it can function like a real cell. c. it contains all the same parts as a real cell. d. it is made of the same materials as a real cell.

The smokey mountains have over 2,100 miles of rushing mountain streams and rivers that flow through the park. in each mile lives a diverse community of native fish, amphibians, insects, and larvae, some of which are found only in the southern appalachians. park managers and scientific researchers test many factors such as fish populations, the watersheds and water tests to determine a) too many lizards are present b) the water quality of the stream c) rainwater is running into local streams d) if visitors to the park are overstaying their welcome