Students make plans to construct an ecosystem in a large aquarium. 4 ecosystem plans are listed below. All plans include soil and water.
Which ecosystem is most likely to be sustainable?
Ecosystem
One
Two
Three
Four
Organisms
Elodea plants, Goldfish, Zebra fish, Rocks
Elodea plants, Goldfish, Colorful gravel
Elodea plants, Water lily plants, Lace ferns
Elodea plants, Lace ferns, Goldfish, Snails



Answer :

Final answer:

Ecosystem Four, with a diverse set of organisms, is the most likely to be sustainable.


Explanation:

Ecosystem One: Elodea plants, Goldfish, Zebra fish, Rocks

Ecosystem Two: Elodea plants, Goldfish, Colorful gravel

Ecosystem Three: Elodea plants, Water lily plants, Lace ferns

Ecosystem Four: Elodea plants, Lace ferns, Goldfish, Snails

Of the listed ecosystems, Ecosystem Four with Elodea plants, Lace ferns, Goldfish, and Snails is most likely to be sustainable as it comprises a diverse set of organisms that can create a stable ecosystem with various interactions supporting each other.


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