Biology - Study Guide
8th Edition
ISBN: 9780321501561
Author: Martha R. Taylor
Publisher: PEARSON EDUCATION (COLLEGE)
expand_more
expand_more
format_list_bulleted
Videos
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 solution
Students have asked these similar questions
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 base
At which point in the trophic pyramid is the greatest arount (not percentage) of energy lost?
A) Between the primary producers and the primary consumers
B) Between the primary consumers and the secondary consumers
C)Between the secondary consumers and the tertiary consumers
D) Between the secondary consumers and the primary producers
a This food web shows the flow of energy through a desert ecosystem
Which correctly describes a relationship shown on this food web ?
A. The coyote and the mountain lion have a predator /prey relationship
B. The coyote and the mountain lion have a producer /consumer relationship
C. The golden - mantled squirrel and the big sagebrush have a predator /prey relationship .
D. The golden -mantled squirrel and the big sagebrush have a producer /consumer relationship
Chapter 54 Solutions
Biology - Study Guide
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
- Organisms at the first trophic level ________. a. capture energy from a nonliving source b. are eaten by organisms at lower trophic levels c. are shown at the top of an energy pyramid d. are consumersarrow_forwardThe population size of a species capable of being supported by the environment is called its ________. a. limit b. carrying capacity c. biotic potential d. logistic growth patternarrow_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_forward
- How does individual behavior decrease biotic potential? a) It reduces the reproductive rates of individuals, due to competition for resources. b) It supports all individuals of the population to obtain needed resources. c) It increases the population under harsh environmental conditions. d) It decreases the amount of intraspecific competition.arrow_forwardWhich trophic level is vital to the continuation of the carbon cycle? Group of answer choices a. tertiary consumer b. secondary consumer c. producer d. primary consumerarrow_forwardWhich of the following is a component of an ecosystem but not of an ecological community? (a) a producer (b) water (c) a secondary consumer (d) a primary consumerarrow_forward
- Choose a biological resource and address the following four questions using examples with that biological resource. a) Biomass production over time b) Carrying capacity and extinction threshold c) Management of the recruitment rate d) Describe two ways that climate change could impact the biological resource you selected for this question RESOURCE ECONOMICSarrow_forwardA frog population lives in a pond covered with a species of aquatic plant that attracts insects due to its color. The small frogs depend on the insects for This represents a _______ relationship between the frog and the plant species. a) predation b) mutualistic c)competitive d)commensalismarrow_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
- In a food web, two different species can directly affect each other’s abundance via _ competition or may in fact have their abundance indirectly regulated by a higher trophic level, a phenomenon called ____ competition. a) Intraspecific, apparent b) Interspecific, apparent c) Intraspecific, apparent d) Apparent, interspecificarrow_forwardIf 1,000 Joules of energy are present in the primary consumer trophic level of a community, approximately how many Joules might be expected to be present in the primary producer trophic level? Group of answer choices Which of these answers is most likely depends on the particular community 10,000 Joules 100 Joules 1000 Joulesarrow_forwardAs a general rule, how much energy is lost in the transmission of energy from one trophic level to the one immediately above it? a. 1% b. 10% c. 90% d. 50%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
What is food insecurity?; Author: RWJBarnabas Health;https://www.youtube.com/watch?v=fXXiuLgiL18;License: Standard youtube license