Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Chapter 38, Problem 13RQ
Summary Introduction
To describe: The way in which the removal of keystone species from a community results in the extinction of other species.
Introduction: Every ecosystem has some species that help in the survival of the other species. These species are called keystone species, and it could be a specific plant or a huge predator.
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A keystone species is one whose removal from a community causes extinction of other species. How does this extinction happen?
What is a keystone species and why do these species play such an important role in their community structure? If a keystone species were to go extinct what would happen to their community? Once you have answered those questions give me an example of a keystone species.
What is a keystone species? How can a keystone species within a community be identified?
Chapter 38 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 38 - The term ecology is derived from the Greek meaning...Ch. 38 - Prob. 2RQCh. 38 - Prob. 3RQCh. 38 - Define the niche concept. How does the realized...Ch. 38 - Populations of independently living (unitary)...Ch. 38 - Prob. 6RQCh. 38 - Contrast exponential and logistic (= sigmoid)...Ch. 38 - Growth of a population can be hindered by either...Ch. 38 - Herbivory is beneficial for the animal (+) but...Ch. 38 - Prob. 10RQ
Ch. 38 - Define predation. How does the predator-prey...Ch. 38 - Prob. 12RQCh. 38 - Prob. 13RQCh. 38 - What is a trophic level, and how does it relate to...Ch. 38 - Define productivity as the word is used in...Ch. 38 - Prob. 16RQCh. 38 - What conditions produce an inverted pyramid of...Ch. 38 - Prob. 18RQCh. 38 - Prob. 19RQCh. 38 - What do paleontological studies show about the...Ch. 38 - Prob. 1FFT
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- The first species to live on new land, such as that formed from volcanic lava, are called_________. a. climax community b. keystone species c. foundation species d. pioneer speciesarrow_forwardGrowth of a forest in an abandoned corn field is an example of _______. a. primary succession c. secondary succession b. resource partioning d. competitive exclusionarrow_forwardConverting a prairie to a farm field is an example of _________. a. overharvesting b. habitat loss c. exotic species d. climate changearrow_forward
- Which of the following is one of the biggest threats to biodiversity? A. Invasive species B. Land protection C. Ecological conservation D. Habitat restorationarrow_forwardIf a community within an ecosystem is stable does that mean the entire ecosystem can be considered stable as well?arrow_forwardWhat are keystone species and why are they important? What are indicator species and why are they important?arrow_forward
- A conservation organization has hired you to lead efforts to reduce the loss of biodiversity in a tropical country. Which of the following problems would you focus on first and why: habitat destruction and fragmentation, hunting and fishing activity, harvesting of wild species for commercial sale, or introduction of exotic organisms?arrow_forwardDescribe about a keystone species role in its ecosystem and why it is considered a keystone species. How would the loss of this keystone species impact the biodiversity of the ecosystem it lives in?arrow_forwardWhat is mainly responsible for the extinction of wildlife?arrow_forward
- Which of the following best describes a keystone species? a. An organism, whose introduction causes or is likely to cause environmental harm b. An organism, who if removed, the entire ecosystem changes. c. Can signal a change in the biological condition of a particular ecosystem and diagnose the health of that ecosystem d. Can indirectly protect several other species in the same habitatarrow_forwardThe process of species replacement over time in a community is called (a) global climate change. (b) succession. (c) competition. (d) community change.arrow_forwarda population of mice moves into a field in which secondary succession is occurring. What is the most likely reason the mouse population moved into this area?arrow_forward
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