ecosystem worksheet
by cherry
SECTION A:
1. Answer the following questions regarding the mangrove forests.
a. Name two habitats in the Mangrove Forests and list an organism that lives in
each habitat.
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b. Name a producer in the Mangrove Forest
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2. Name two habitats in the Sea Ice in the Arctic Ocean and list an organism that
lives in each habitat.
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3. Construct a food chain, containing four organisms that occur in the…
a. Mangrove Forest
b. Sea Ice in the Arctic Ocean
c. Rice Paddy
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4. Answer these questions about the Saguaro Cacti.
a. Describe three adaptations of Saguaro cactus and how it is adapted to the
desert.
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b. Explain why the cacti cannot grow in the high mountains, where it is more
cold than the desert.
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c. Suggest why Saguaro cacti might not be able to grow in wetter areas.
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5. Name three species that live in the Sonoran Desert and their habitat.
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6. How would the Sonoran Desert ecosystem be affected if:
a. all the Gila woodpeckers and gilded flickers died out
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b. all the Saguaro Cacti died out
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7. Give two examples of interactions between organisms in the desert that are not
to do feeding.
1: _______________________________________________________________
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2: _______________________________________________________________
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8. Observe the food web below.
a. Name the producer of this food web.
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b. Explain why the food web could not exist without the producers.
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c. What do the arrows in the food web present?
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d. How many food chains are there in this food web?
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e. How much trophic levels are there?
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9. Why can invasive species harm the native species?
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10. Why can’t native species harm their country?
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11. How can you achieve ecological balance?
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12. What can humans do to achieve ecological balance?
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13. Observe the diagram below.
a. What can you notice about the amount of DDT in the diagram above?
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b. Suggest why the fish-eating birds have more DDT than the large fish.
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14. What is the difference between ecosystem and habitat?
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15. What is the difference between biomagnification and bioaccumulation?
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SECTION B:
16. Write the meanings of the following words.
a. Ecosystem
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b. Habitat
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c. Bioaccumulation
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d. Biomagnification
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e. Herbivore
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f. Apex predator
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g. Decomposer
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h. Ecology
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~ goodluck on the unit test! ~
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