Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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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
Dead plant material would be decomposed more quickly, releasing higher levels of CO2
Less carbon dioxide would be released into the atmosphere because dead plant material would not be decomposed
Plants would be unable to absorb nitrogen as efficiently because their root symbiotic fungi would be unable to break gaseous nitrogen apart Plants would be unable to absorb nitrogen as efficiently because their root symbiotic fungi would be unable to break gaseous nitrogen apart
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?
Chapter 23 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 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_forwardyou have a plant that is struggling to survive. after closer examination you notice tiny red mites all over your plant. which symbiotic relationship is likely occurring between the plants and the mites? explainarrow_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
- What steps would it take for a fungus to establish a symbiotic relationship with plants? I understand that there are symbiotic soil fungi that are entangled amongst plant roots but this question I am wondering how they form a relationship if the fungus live between the plant cells.arrow_forwardWhen 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_forwardThe 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_forward
- I am a small, independent living organism, only a few cells thick at my smallest dimension. I am easily broken, but can also completely dehydrate for weeks then revive with water. Who am I? a) Moss sporophyte b) Moss gametophyte c) Fungal spore d) Bryophte gametangia e) Fungal hypha f) Conifer sperm cellarrow_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_forwardoptions for one: -parasitism -convergent evoulution -mutualism I believe Mycorrhizae is correct for 2 but please check the other options are: -mycelia -lichensarrow_forward
- Which of the following statements is true regarding mycorrhizal relationships? this relationship is a type of parasitism bacteria partner with plant roots fungi provide energy (ATP) for their partner all glomeromycota are mycorrhizal fungi no statements above are truearrow_forwardMutualistic associations between fungi and the roots of plants are called (a) lichens (b) mycorrhizae (c) pathogenic associations (d) parasitic haustoria (e) mycotoxic symbiosesarrow_forwardFigure 24.21 If symbiotic fungi are absent from the soil, what impact do you think this would have on plant growth?arrow_forward
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