Starting out
Resources to use for class


1. Click on the following to play "Connect the dots". Answer the questions for each area.

"Connect the dots "


2. Click on the following to open the Biobenefits link for answers:

"Biobenefits "





Visit Welcome to the Dzangha Sangha and play the Connect the Dots game. Here you will be asked to identify links between different plant, animal, and insect species in a forest, bai (marshy clearing), and river at Dzangha Sangha in the Central African Republic. Pause at the end of each ecosystem Q&A so you can see the web of interdependence that connects these species. Move your mouse over the yellow dots so you can read more about these living creatures and their interdependence.

When the webs of interdependence appear at the end of each ecosystem activity, answer the questions on the Introducing Biodiversity student sheet.

Questions about the forest web:

1. In what ways do the BaAka people use trees?

2. How does the African pied hornbill use trees?

3. What are the different birds shown in this ecosystem?

4. How are the birds alike? How are the birds different?

5. How do leopards both give and take away life in this ecosystem?

6. If the leopards become extinct, how might this affect the other species that are connected to it?

Questions about the Bai web:

7. How are the BaAka people dependent on the dwarf antelope and other small mammals like it?

8. How is the water pool used in this part of the ecosystem?

9. Which species in this ecosystem rely on plants? Explain.

10. Imagine that the speckle-lipped mabuya became over populated in the bai. How might this affect the ecosystem? Explain.


Questions about the river web:

11. What is one way the BaAka use trees from this river ecosystem?

12. How do crocodiles and Egyptian plovers relate to each other?

13. What kinds of foods does the golden barb eat? Do you think it could survive if spiders in the river area became extinct? Why or why not?

Generic questions found in any of these areas:
14. In what ways do insects and animals use plants in these ecosystems?

15. In what ways do plants benefit from animals?

16. In what ways do humans use plants? Animals? Ecosystems?

17. What happens when an animal dies in its own ecosystem? How can this benefit the ecosystem?
18. What might happen if humans decided to cut down trees in one of the ecosystems to build new apartment buildings?

19. What might happen if humans decided to protect these ecosystems?

Some of these questions can be answered by visiting Bio-Benefits, which emphasizes the many benefits that biodiversity provides for human beings and other living species alike.

20. How do plants give us clean air to breathe?

21. How do forests help to keep our drinking water clean?

22. What are some examples of how ecosystems affect cultural traditions?

23. Which animal species inspired the invention of the airplane?

24. What kinds of things do people do for fun in ecosystems?

25. How do ecosystems help us to live longer, better lives?



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Lowell Bailey

Bedford-North Lawrence High School
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