Miller and Levine Biology
Miller and Levine Biology
1st Edition
Joseph S. Levine, Kenneth R. Miller
ISBN: 9780328925124
Textbook solutions

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Page 709: Review

Exercise 1
Result
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Fungi are eukaryotes that contain chitin in their cell walls. They are not plants but they usually grow from the ground. They are classified as heterotrophs since they cannot carry out photosynthesis. In addition, they release enzymes that help digest their food in the external environment.
Exercise 2
Result
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Most fungi acquire food from decaying matter. To digest their food, they usually release enzymes that help them absorb the molecules. In this way, they help the ecosystem in maintaining its balance by recycling essential nutrients and breaking down the organic matter.
Exercise 3
Result
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Just like in film production, bacteria and fungi work behind the scenes. They have digestive enzymes that can break down waste, toxins, and decaying matter in the ecosystem. In this case, they are tasked to decompose waste products and purify the water and soil. They are responsible for keeping the ecosystem clean and they are also helpful in recycling the essential nutrients, such as carbon and nitrogen, in the environment.
Exercise 4
Result
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The ring of mushrooms is actually a part of a larger single organism, called mycelium. When a mycelium grows underground, it sends out a network of hyphae. The hyphae are the slender filaments that branch out to form fruiting bodies on the ground in the form of mushrooms. Mushrooms are considered as the reproductive structure of fungi.
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