Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305544703
Author: STARR
Publisher: Cengage
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Chapter 23, Problem 2DAA
Summary Introduction
To determine: The percentage of deaths caused by A. ostoyae in the most affected species in both control and experimental forests.
Introduction: Parasitic
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Which of the following best describes the relationship between fig trees (Ficus carica), the ambrosia beetle (Euwallacea interjectus), and the fungus (Ceratocystis ficicola)?
The beetles carry the fungus to the fig trees, which kills the fig trees.
The fig trees require the fungus to survive, but the beetles eat and kill the trees.
The beetles require both the fungus and the fig trees to survive.
The fig trees infect the beetles with the fungus, which kills the beetles.
If all of the saprophytic fungi in an ecosystem died, which of the following would be a likely short-term result?
Group of answer choices
Plants would not be able to absorb nutrients from the soil as effectively
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Chapter 23 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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- Assume you have an invasive fungus species growing in your backyard and you want to get rid of it. You decide to remove them from the ground by hand and dispose them in a corner because they will die off anyways. Few days later, you see even more fungi growing where you remove the original fungus. Why do you think that happened?arrow_forwardA 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_forwardGlomeromycete fungi and plants take part in a mycorrhiza that ____. benefits the plant, but harms the fungus benefits the fungus, but harms the plant harms both the plant and the fungus allows the fungus to use its host to disperse spores benefits both the plant and the fungusarrow_forward
- When a fungus infects a plant, it (a) infiltrates leaves with lichens (b) forms relationships by attaching mycorrhizae to stems (c) secretes powerful digestive juices onto the leaves (d) uses haustoria to dissolve roots (e) enters leaves or stems through stomataarrow_forwardAmbrosia bark beetles carryAmbrosiella fungal spores to trees, then bore holes and lay their eggs with the fungus. When the new larvae hatch, they eat the fungus that has germinated in the holes. Describe how this relationship can be classified as mutualistic.arrow_forwardIf a symbiotic relationship between a fungus and its host plant is said to be commensal, what does this mean? Group of answer choices the fungi benefit, but the plant is unaffected the fungi are harmed and the plant benefits the plant is harmed and the fungi benefits both plant and fungi benefitarrow_forward
- The Armillaria fungus species that grew to massive size inOregon harms trees in the forests it inhabits. As the fungusfeeds on roots, it causes “root rot” that weakens or kills trees.This root rot provides aboveground evidence of Armillaria’sexistence; the giant Oregon specimen was first identified byexamining aerial photos to find forested areas with many deadtrees. Can people, as well plants, be victims of fungal attack?arrow_forwardWhich of the following is an example of a symbiosis between an Ascomycete and a green algae? Group of answer choices Ferns Rhizobium and Plants Lichens Mycorrhizal Fungi and Plants Hornwortsarrow_forwardMany fungal pathogens get food by causing plant cells to become leaky, releasing nutrients into the intercellular spaces. Would it benefit the fungus to kill the host plant in a way that results in all the nutrients leaking out? Explain.arrow_forward
- Figure 24.21 If symbiotic fungi are absent from the soil, what impact do you think this would have on plant growth?arrow_forwardEcologists 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?arrow_forwardFigure 24.17 Which of the following statements is true? A basidium is the fruiting body of a mushroom-producing fungus, and it forms four basidiocarps. The result of the plasmogamy step is four basidiospores. Karyogamy results directly in the formation of mycelia. A basidiocarp is the fruiting body of a mushroom-producing fungus.arrow_forward
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