5 Written Questions

1. the study of how living things interact with each other and their environment
2. community of living things plus the nonliving features of the environment which support them
3. environment, place where a plant or animal usually lives
4. all of the land that drains into a specific body of water
5. a stream or river feeding into a larger body of water

5 Multiple Choice Questions

1. matter deposited by water or wind- i.e. sand, silt, or mud
   1. sediment
   2. habitat
   3. salinity
   4. nutrients
2. small organisms both plant and animal that move with the currents
   1. habitat
   2. brackish
   3. plankton
   4. salinity
3. a substance which has a negative effect on the environment
   1. tributary
   2. habitat
   3. plankton
   4. pollutant
4. the measure of the amount of dissolved salt in water
   1. plankton
   2. habitat
   3. salinity
   4. sediment
5. a semi-enclosed body of water where fresh and salt water mix
   1. estuary
   2. tributary
   3. ecology
   4. ecosystem

5 True/False Questions

1. nutrients → chemicals required for growth such as nitrogen, phosphorous, and potassium

   True        False

2. dissolved oxygen → matter deposited by water or wind- i.e. sand, silt, or mud

   True        False

3. brackish → small organisms both plant and animal that move with the currents

   True        False

4. food chain → a series of events in which one organism eats another and obtains energy

   True        False

5. adaptation → small organisms both plant and animal that move with the currents

   True        False