Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 21, Problem 15CTQ
Describe what happens to an ecosystem when a keystone species is removed.
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Chapter 21 Solutions
Concepts of Biology
Ch. 21 - Figure 21.6 The Svalbard seed vault is located on...Ch. 21 - The number of currently described species on the...Ch. 21 - A secondary plant compound might be used for which...Ch. 21 - Pollination is an example of ________. a. a...Ch. 21 - Converting a prairie to a farm field is an example...Ch. 21 - Which two extinction risks may be a direct result...Ch. 21 - What kind of ecosystem are exotic species...Ch. 21 - Certain species of parrot cannot be brought to the...Ch. 21 - What is the name of the first international...Ch. 21 - Explain how biodiversity loss can impact crop...
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- describe a local ecosystem and how many population can be impacted due to a short-term environmental changearrow_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_forwardExplain why invasive organisms are so problematic for the ecosystems they have been introduced into.arrow_forward
- Predators that are keystone species can maintain species diversity in a community if theya) reduce the number of disruptions in the community.b) prey only on the least abundant species in the community.c) prey on the community's dominant species.d) competively exclude other predatorsarrow_forwardDescribe how the Elephant is a keystone species.arrow_forwardBriefly describe what an ecological disturbance is and provide an example.arrow_forward
- Explain why ecological trade-offs are common.arrow_forwardWhat are keystone species and why are they important? What are indicator species and why are they important?arrow_forward1. a)Write an essay on ecosystem productivity. b) Define ecological pyramid and indicate the limitations of ecological pyramids. c) Explain why detritivores, decomposers and omnivores are not assigned trophic level.arrow_forward
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ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College