Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 54, Problem 14TYK
According to the top-down (trophic cascade) model of community control, which trophic level would you decrease if you wanted to increase the vegetation level in a community?
- a. nutrients
- b. vegetation
- c. secondary consumers (carnivores)
- d. tertiary consumers
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Each species has a particular niche within a community. This niche is defined by which two sets of factors?
a.
Net primary productivity and physical environment
b.
Functional role and net primary productivity
c.
Net primary productivity and biological environment
d.
Physical environment and functional role
The loss of an apex consumer would impact which trophic level of a food web? a. primary producers b. primary consumers c. secondary consumers d. all of the above
Assume the following strict trophic chain: mountain lions eat deer; deer eat black oak seedlings; lizards eat bugs, spiders eat bugs; bugs eat black oak seedlings.
Which of the following statements is true? (choose one)
A. The mountain lion is a tertiary consumer
B. The deer is a secondary consumer
C. The spiders are secondary consumers
D. The lizards are primary consumers
Chapter 54 Solutions
Study Guide for Campbell Biology
Ch. 54 - When two spiny mouse species coexist, Acomys...Ch. 54 - Name the type of mimicry described in each of the...Ch. 54 - Name and give examples of the interspecific...Ch. 54 - Tide pool 1 has three species of sea urchins with...Ch. 54 - Prob. 5IQCh. 54 - Describe the effects of the alder stage on soil...Ch. 54 - Why would the fact that tropical communities are...Ch. 54 - a. How do the rates of immigration and extinction...Ch. 54 - Why are ecologists trapping and testing migrating...Ch. 54 - Complete the following concept map to organize...
Ch. 54 - Community ecologists develop models or hypotheses...Ch. 54 - Two allopatric species of Galapagos finches have...Ch. 54 - The greater blue-ringed octopus (Hapalochlaena...Ch. 54 - Two other species of octopus (H. maculosa and H....Ch. 54 - Two species, A and B, occupy adjoining...Ch. 54 - Two shops in the same block are selling coffee and...Ch. 54 - A palatable (good-tasting) prey species may defend...Ch. 54 - Most humans are host to mites of the genus Demodex...Ch. 54 - The species richness of a community refers to the...Ch. 54 - You have a friend who is a strict vegan; that is,...Ch. 54 - Ecologists survey the tree species in two forest...Ch. 54 - When one species was removed from a tide pool, the...Ch. 54 - Invasive species often reach a large biomass...Ch. 54 - Why do most food chains consist of only three to...Ch. 54 - According to the top-down (trophic cascade) model...Ch. 54 - During succession, inhibition by early species a....Ch. 54 - According to the nonequilibrium model, a. chance...Ch. 54 - Which of the following shows a mismatch between...Ch. 54 - Prob. 18TYKCh. 54 - A major explanation for the decline in species...Ch. 54 - Prob. 20TYK
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
- At any point in time, a number of environmental objectives must be met with a limited amount of economic resources. This means that once an environmental problem is identified, they have to be prioritized. In general, this is done using scientific valuation of the relative risk to human health and the ecology of a given environmental hazard - a procedure known as: A. Biodiversity B. Public Goods C. Risk Assessment D. Profit maximizationarrow_forwardThe amount of energy and nutrients in a trophic level at any point in time is known as Group of answer choices a. primary production b. standing crop c. nutrient cycling d. bottom up controlarrow_forwardWrite the trophic level(s) for each of the following organisms: A. Amoeba B. Predatory nematodes C. Raccoon D. Dead grass stems, leaves or pine needles.arrow_forward
- In Alaska Orcas (Killer Whales) have recently started eating sea otters in large numbers. Populations of sea urchins (food of sea otters) have increased. Sea otters eat algae. The kelp forests have started to disappear. This is an example of which of the following. Group of answer choices a. random changes in a community b. a limiting nutrient c. bottom up control of a community d.top down control of a communityarrow_forwardCompetitive exclusion occurs from Select one: a. intraspecific competition b. interspecific competition c. predator–prey relationship d. producer–consumer relationshiparrow_forwardWhen substances are not broken down in metabolism but stored and passed on to higher trophic levels which of the following processes occurs? Group of answer choices a. Predation b. Coevolution c. Ecological Succession d. Biological Magnification e. Competitionarrow_forward
- Which of the following is an example of an inverted biomass pyramid? Multiple Choice A. Trophic level Biomass 1 4,000,000 g / m 2 12,000 g / m 3 455 g / m B. Trophic level Biomass 1 200,000 g / m 2 8,500 g / m 3 125 g / m C. Trophic level Biomass 1 12,200,045 g / m 2 685 g / m 3 14,750 g / m D. Trophic level Biomass 1 498 g / m 2 123 g / m 3 55 g / m E. Trophic level Biomass 1 34,085,000 g/m 2 12,460 g / m 3 550 g / marrow_forwardIn landscape ecology, the matrix is the area surrounding a habitat patch. The matrix can affect a species living in the habitat patch by altering: O A. Dispersal between patches B. The availability of resources C. The abiotic environment in patches D. Our appreciation of Keanu Reeves' acting skills E. A, B and C are correctarrow_forwardMaximum population an area can sustain A. Arithmetical Growth B. Carrying Capacity C. Intrinsic Rate of Growth D. Exponentialarrow_forward
- Disturbance often affects community structure by __________________. Question 24 options: A) accelerating competitive exclusion B) temporarily decreasing the resource base, then increasing the resource base C) increasing the degree to which a resource is limited D) temporarily increasing the resource base, then decreasing the resource basearrow_forwardPlease answer the attached questionarrow_forwardA group of individuals of the same species within the same ecosystem is known as a community. b. population. c. colony. d. cohort.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 CollegeHuman Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning
- Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Human Biology (MindTap Course List)
Biology
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cengage Learning
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
What is food insecurity?; Author: RWJBarnabas Health;https://www.youtube.com/watch?v=fXXiuLgiL18;License: Standard youtube license