CAMPBELL BIO ETEXT W/ LAB ACCESS
16th Edition
ISBN: 9781323250235
Author: Reece
Publisher: PEARSON C
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 54, Problem 5TYU
Summary Introduction
Introduction: Keystone species are those species that are present in very less number in an ecosystem but have profound impact on the ecosystem. They are generally predators but others can also act as keystone species.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A keystone species is one whose removal from a community causes extinction of other species. How does this extinction happen?
When populations of ocean perch and herring are reduced, which other species in this ecosystem are directly affected? Identify at least two species that directly lose their food source.
Why do managers try to maintain populations of fish and game species at about half their carrying capacity?
Chapter 54 Solutions
CAMPBELL BIO ETEXT W/ LAB ACCESS
Ch. 54.1 - Explain how competition, predation, and mutualism...Ch. 54.1 - According to the principle of competitive...Ch. 54.1 - Prob. 3CCCh. 54.2 - What two components contribute to species...Ch. 54.2 - How is a food chain different from a food web?Ch. 54.2 - Prob. 3CCCh. 54.3 - Why do high and low levels of disturbance usually...Ch. 54.3 - Prob. 2CCCh. 54.3 - WHAT IF? Most prairies experience regular fires,...Ch. 54.4 - Describe two hypotheses that explain why species...
Ch. 54.4 - Prob. 2CCCh. 54.4 - WHAT IF? Based on MacArthur and Wilson's island...Ch. 54.5 - What are pathogens?Ch. 54.5 - WHAT IF? Rabies, a viral disease in mammals, is...Ch. 54 - Prob. 54.1CRCh. 54 - Based on indexes such as Shannon diversity, is a...Ch. 54 - Is the disturbance pictured in figure 54.25 more...Ch. 54 - How have periods of glaciation influenced...Ch. 54 - Prob. 54.5CRCh. 54 - Prob. 1TYUCh. 54 - The principle of competitive exclusion states that...Ch. 54 - Based on the intermediate disturbance hypothesis,...Ch. 54 - According to the island equilibrium model, species...Ch. 54 - Prob. 5TYUCh. 54 - Prob. 6TYUCh. 54 - Prob. 7TYUCh. 54 - The most plausible hypothesis to explain why...Ch. 54 - Community 1 contains 100 individuals distributed...Ch. 54 - Prob. 10TYUCh. 54 - EVOLUTION CONNECTION Explain why adaptations of...Ch. 54 - Prob. 12TYUCh. 54 - WRITE ABOUT A THEME: INTERACTIONS In Batesian...Ch. 54 - Prob. 14TYU
Knowledge Booster
Learn more about
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
- A farmer is struggling to control the population of a certain insect on his farm. After researching population control techniques, he discovers that a particular bird is a predator of this insect. The farmer purchases a number of these birds and releases them onto his farm. How might the farmer’s action most likely have a negative impact on the ecosystem?arrow_forwardWhy do introduced species become a threat or often become pests to other species?arrow_forwardHow might your own behavior influence the influx and ecological impacts of non-native species like those listed above? Name three things you could personally do to help reduce the impacts of invasive species.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_forwardPredators that are keystone species can maintain speciesdiversity in a community if they(A) competitively exclude other predators.(B) prey on the community’s dominant species.(C) reduce the number of disruptions in the community.(D) prey only on the least abundant species in the communityarrow_forward
- If the human species suffered a population crash, name three species that might move in to occupy part of our ecological niche.arrow_forwardA 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_forwardWhat happens to the prey species when the predator species population increases? Why?What happens to the predator species when the prey species population increases? Why?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College