3. which organism could be labeled as both a secondary consumer and a tertiary consumer? *
1 point

4. many food chains can be found in this food web. describe a food chain that includes at least 3 organisms. *
1 point

5. what % of energy is transferred from the apple tree to the deer? *
1 point

6. this food web is missing an important consumer that is responsible for breaking down dead organisms. what do we call these consumers and what might be an example? *
2 points

section 2: change in ecosystems
use the image to answer the questions that follow:

6. is this a picture of primary or secondary succession? how do you know? *
2 points

section 3: organism interactions
carefully observe the graph below. then, use the graph to answer the questions that follow.

7. approximately how many moose were on isle royale in the year 2000? *
1 point

8. why does the wolf population generally rise whenever the moose population increases? *
1 point

9. what type of ecological relationship does the graph represent? *
1 point

10. the moose population increased dramatically between 1983-1996. explain what might have contributed to this population change. *
2 points

section 4: human population growth
observe the data table and the graph below. then, watch the video. use these resources to answer the questions that follow.

10. is the human population growing logistically or exponentially? how do you know? *
2 points

11. predict: will the human population ever reach it’s carrying capacity? justify your stance with supporting details. *
2 points