An important role in fungi in an ecosystem is B. Breakind down dead organisms.
Answer:
Beavers and their dams play an important role in nature. Because of the dramatic effects their dams have on surrounding ecosystems, these mammals are considered a keystone species. By constructing dams they create wetlands -- lush environments which attract fish, ducks, frogs and other creatures.
Explanation:
Thank you for posting your question here. Below are the choices:
The test tube that stops bubbling first contains the catalyst.
The test tube that produces the most bubbles contains the catalyst.
The test tube that bubbles the longest contains the catalyst.
<span>The test tube that does not bubble contains the catalyst.
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The answer is "<span>The test tube that stops bubbling first contains the catalyst."</span>
Nails,barrier, and waste products