Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 31.1, Problem 3CC
MAKE CONNECTIONS Ø Review Figure 10.4 and Figure 10.6. If a plant has mycorrhizae, where might carbon that enters the plant's stomata as C07 eventually be deposited: in the plant, in the
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WRITE ABOUT A THEME: ORGANIZATION As you read inthis chapter, fungi have long formed symbiotic associationswith plants and with algae. In a short essay (100–150 words),describe how these two types of associations may lead toemergent properties in biological communities.
Ecologists often attempt to introduce new plants to restore degraded land. In an arid climate, scientists recommend introducing plants with arbuscular mycorrhizae. How would the mycorrhizae increase the plants’ survival compared to plants without mycorrhizae?
The greatest difference in health between two groups of plantsof the same species, one group with mycorrhizae and one groupwithout mycorrhizae, would be in an environment(A) where nitrogen-fixing bacteria are abundant.(B) that has soil with poor drainage.(C) that has hot summers and cold winters.(D) in which the soil is relatively deficient in mineral nutrients
Chapter 31 Solutions
Campbell Biology
Ch. 31.1 - Prob. 1CCCh. 31.1 - Prob. 2CCCh. 31.1 - MAKE CONNECTIONS Review Figure 10.4 and Figure...Ch. 31.2 - Prob. 1CCCh. 31.2 - WHAT IF? Suppose that you sample the DNA of two...Ch. 31.3 - Why are fungi classified as opisthokonts despite...Ch. 31.3 - Prob. 2CCCh. 31.3 - Prob. 3CCCh. 31.4 - Prob. 1CCCh. 31.4 - Give examples of how form fits function in...
Ch. 31.4 - WHAT IF? Suppose that the mutation of an...Ch. 31.5 - What are some of the benefits that liehen algae...Ch. 31.5 - Prob. 2CCCh. 31.5 - WHAT IF? How might life on Earth differ from what...Ch. 31 - How does the morphofogy of multicellular fungi...Ch. 31 - Prob. 31.2CRCh. 31 - Did multicellularity originate independently in...Ch. 31 - Prob. 31.4CRCh. 31 - How are furigi important as decomposers,...Ch. 31 - Prob. 1TYUCh. 31 - Prob. 2TYUCh. 31 - Prob. 3TYUCh. 31 - Prob. 4TYUCh. 31 - Prob. 5TYUCh. 31 - Prob. 6TYUCh. 31 - WRITE ABOUT A THEME: ORGANIZATION As you read in...Ch. 31 - SYNTHESIZE VOUR KNOWLEDGE This wasp is the...
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- Figure 24.21 If symbiotic fungi are absent from the soil, what impact do you think this would have on plant growth?arrow_forwardBiologists have discovered that many mycorrhizal fungi are sensitive to a low pH. What human-caused environmental problem may prove catastrophic for these fungi? How may this problem affect their plant partners? What measures could we take to decrease the problem?arrow_forwardPractice bio question: Explain how fungi are essential to the proper functioning of ecosystems.arrow_forward
- Read these two statements about plant-fungal interactions, then pick the statement below that is TRUE. (A) Root fungi in phylum Ascomycota can cause plants to produce antioxidants that provide protection against the stress of drought, and plants feed carbon to the fungi in their roots. (B) Root fungi and plants have evolved mutual benefits through a long history of interaction, in which fungi that provided the greatest benefits to plants had the highest fitness because of the carbon the plants fed them, and plants that supported fungi had the highest fitness because of the protection provided by the fungi. (A) is a proximate cause for plant-fungal symbiosis, whereas (B) is an ultimate cause. O (A) is an ultimate cause for plant-fungal symbiosis, whereas (B) is a proximate cause. Understanding plant-fungal interactions would NOT require cost-benefit analysis because there are no fitness trade-offs. (A) is an innate behavior and (B) is a learned behavior. O O O Oarrow_forwardQ.3. The fungi mycorrhizal benefit the plant in which it harbours, How?arrow_forwardBoth Ascomycetes and Basidiomycetes form ectomycorrhizal associations with plants. Another group of fungi, the Glomeromycota, form endomycorrhizal partnerships. Which answer below best describes the two pictures seen here? (Hint: mycorrhizae stain reddish-purple!) Picture A 400x (c.s.) Picture B 400x (c.s.) O Picture A is an endo- while Picture B is an ecto-mycorrhizal view O Picture A is an ecto- while Picture B is an endo-mycorrhizal viewarrow_forward
- You discover an unknown mycorrhizae species associated with a legume plant and wanted to find out if it formed an endo- or ecto-mycorrhizal partnership. Which discovery below would be the best for helping you distinguish between the two? O hyphae penetrate only in between cells O mutualistic symbiosis O Legumes grown in sterile soil are stunted in growth O isotope tracers found plant carbon compounds in fungal body MacBook Pro 乀* Search or type URL & %23 $ 4 7 8 T Y この Earrow_forwardDetermine if the following statements are true and false. (a) Mycorrhizae exhibit non-symbiotic relatiionship.(b) All biotic relationships are symbiotic.arrow_forwardDescribe a plant leaf that has survived fungal pathogen invasion via hypersensitive response (HR) mechanism. Explain the processes that happened at cellular level.arrow_forward
- A more recent threat to tree survival is a fungus in the genus Phytophthora which can kill full-grown trees. Studies indicate that the fungus can arrive via footwear of hikers. What is a possible solution to reduce fungus arrival or prevent the fungus on footwear from reaching the trees?arrow_forwardMycorrhizas represent associations between plant roots andmicroorganisms thata) are antagonistic.b) help plants take up phosphorus and other nutrients from soil.c) involve algae in the association with plant roots.d) form nodules on the plant’s leaves.e) lead to the production of antibiotics.arrow_forwardFungi play a variety of roles in the ecosystem. Discuss briefly each of the following roles stated below. Give specific examples whenever possible. 1. Decomposers 2. Mycorrhizae 3. Lichen Symbiont 4. Endophyte 5. Plant Pathogenarrow_forward
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