
Pearson eText Conceptual Integrated Science -- Instant Access (Pearson+)
3rd Edition
ISBN: 9780135626573
Author: Paul Hewitt, Suzanne Lyons
Publisher: PEARSON+
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 21, Problem 13RCQ
What is a decomposer? What organisms function as
decomposers in most communities?
Expert Solution & Answer

Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
1. An arrangement of three charges is shown below where q₁ = 1.6 × 10-19 C, q2 = -1.6×10-19 C,
and q3 3.2 x 10-19 C.
2 cm
Y
93
92
91
X
3 cm
(a) Calculate the magnitude and direction of the net force on q₁.
(b) Sketch the direction of the forces on qi
(Figure 1)In each case let w be the weight of the suspended crate full of priceless art objects. The strut is uniform and also has weight w
Find the direction of the force exerted on the strut by the pivot in the arrangement (a).
Express your answer in degrees.
Find the tension Tb in the cable in the arrangement (b).
Express your answer in terms of w.
Find the magnitude of the force exerted on the strut by the pivot in the arrangement (b).
Express your answer in terms of w.
(Figure 1)In each case let ww be the weight of the suspended crate full of priceless art objects. The strut is uniform and also has weight w.
Find the direction of the force exerted on the strut by the pivot in the arrangement (b).
Express your answer in degrees.
Chapter 21 Solutions
Pearson eText Conceptual Integrated Science -- Instant Access (Pearson+)
Ch. 21 - What is ecology?Ch. 21 - Prob. 2RCQCh. 21 - What is the difference between a community and an...Ch. 21 - Describe exponential growth. Under what conditions...Ch. 21 - Why do populations that live in unstable...Ch. 21 - Describe logistic growth. Under what conditions do...Ch. 21 - What are the differences between Type I, Type II,...Ch. 21 - Explain how global human population size is...Ch. 21 - What is the age structure of a population? What...Ch. 21 - Prob. 10RCQ
Ch. 21 - What is the name for a diagram of who eats whom in...Ch. 21 - Explain the difference between a producer and a...Ch. 21 - What is a decomposer? What organisms function as...Ch. 21 - Can two species have the exact same niche in a...Ch. 21 - Define parasitism, and provide some examples.Ch. 21 - How does primary succession differ from secondary...Ch. 21 - Why are the later colonizers of a habitat...Ch. 21 - What usually happens to the total biomass in an...Ch. 21 - How can regular disturbances contribute to the...Ch. 21 - Prob. 20TISCh. 21 - Prob. 21TISCh. 21 - Which biome includes more living things than all...Ch. 21 - Prob. 23TISCh. 21 - Prob. 24TISCh. 21 - Prob. 25TISCh. 21 - Prob. 26TISCh. 21 - Prob. 27TISCh. 21 - What role do nitrogen-fixing bacteria and...Ch. 21 - Prob. 29TISCh. 21 - Prob. 30TISCh. 21 - Prob. 31TISCh. 21 - Prob. 32TISCh. 21 - Prob. 33TISCh. 21 - Prob. 38TCCh. 21 - Prob. 39TCCh. 21 - Suppose that you have a logistically growing...Ch. 21 - In a population of songbirds, 100 young are born...Ch. 21 - In a population of insects, 1 million young are...Ch. 21 - Prob. 43TSCh. 21 - Does a community contain multiple populations?...Ch. 21 - Prob. 45TECh. 21 - Prob. 46TECh. 21 - A scientist examines how the presence of a...Ch. 21 - How are exponential growth and logistic growth...Ch. 21 - What factors could cause population growth to slow...Ch. 21 - Prob. 50TECh. 21 - Suppose that the carrying capacity of a specific...Ch. 21 - Prob. 52TECh. 21 - Why is a baby elephant considered an expensive...Ch. 21 - Would you expect a tiger to have a Type I, Type...Ch. 21 - Name an organism that you might see in your...Ch. 21 - The graph below shows survivorship curves for...Ch. 21 - Prob. 57TECh. 21 - Prob. 58TECh. 21 - Prob. 59TECh. 21 - Prob. 61TECh. 21 - Prob. 62TECh. 21 - Prob. 63TECh. 21 - Prob. 64TECh. 21 - Prob. 65TECh. 21 - Prob. 66TECh. 21 - Prob. 67TECh. 21 - Prob. 68TECh. 21 - Prob. 69TECh. 21 - Prob. 70TECh. 21 - Prob. 71TECh. 21 - Prob. 72TECh. 21 - Prob. 73TECh. 21 - Prob. 74TECh. 21 - Prob. 75TECh. 21 - Prob. 76TECh. 21 - Prob. 77TECh. 21 - Prob. 78TECh. 21 - Prob. 79TECh. 21 - Prob. 80TECh. 21 - Prob. 81TECh. 21 - Prob. 82TECh. 21 - Name at least two different processes that return...Ch. 21 - Prob. 84TECh. 21 - Prob. 85TECh. 21 - Prob. 86TECh. 21 - Prob. 87TECh. 21 - If you eat a pound of pasta, will you gain a pound...Ch. 21 - Prob. 89TECh. 21 - How does the Second Law of Thermodynamics help...Ch. 21 - How does the energy lost during cellular...Ch. 21 - Prob. 92TECh. 21 - Prob. 93TECh. 21 - Prob. 94TECh. 21 - Prob. 95TECh. 21 - Two populations of rabbits are growing...Ch. 21 - Two populations of monkeys are growing...Ch. 21 - Prob. 98TDICh. 21 - What type of survivorship curve characterizes...Ch. 21 - Prob. 100TDICh. 21 - Some acacia trees have evolved a special...Ch. 21 - Prob. 102TDICh. 21 - Prob. 103TDICh. 21 - Prob. 104TDICh. 21 - Would you expect to find more Type I or Type III...Ch. 21 - Prob. 1RATCh. 21 - A Type III population is associated with a...Ch. 21 - Prob. 3RATCh. 21 - Prob. 4RATCh. 21 - Prob. 5RATCh. 21 - Prob. 6RATCh. 21 - Prob. 7RATCh. 21 - Prob. 8RATCh. 21 - Prob. 9RATCh. 21 - Prob. 10RAT
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A 70.0 cm, uniform, 40.0 N shelf is supported horizontally by two vertical wires attached to the sloping ceiling (Figure 1). A very small 20.0 N tool is placed on the shelf midway between the points where the wires are attached to it. Find the tension in the left-hand wire. Express your answer with the appropriate units.arrow_forwardFind the total bind Mev. binding energy for 13 Carbon, 6C (atomic mass = 13.0033554)arrow_forwardWhat is the 27 energy absorbed in this endothermic Auclear reaction 2] Al + 'n → 27 Mg + ! H? (The atom mass of "Al is 26.981539u. and that of 11 Mg is 26.984341u) MeVarrow_forward
- What is the energy released in this nuclear reaction 1 F + "', H-1 O+ He? 19 19 16 (The atomic mass of 1F is 18.998403 u, and that of 20 is 15.9949154) MeV.arrow_forwardWhat is the energy released in this B+ nuclear reaction خالد 2½ Al w/ Mg + ie? (The atomic mass of 11 Al is 23.9999394 and that > of 12 Mg is 23.985041 u) MeV.arrow_forwardWhat is the energy released / absorbed in this nuclear reaction 14 N+ & He → » O + ! N? (The atomic mass of 14 N is 14.003074u. 17N+ and that of 10 is 16.9991324). MeVarrow_forward
- Can someone help me answer this question thanks.arrow_forwardCan someone help me with this question thanks.arrow_forward4B. Four electrons are located on the corners of a square, one on each corner, with the sides of the square being 25 cm long. a) Draw a sketch of the scenario and use your sketch to b) Determine the total force (magnitude and direction) on one of the electrons from the other three?arrow_forward
- Portfolio Problem 3. A ball is thrown vertically upwards with a speed vo from the floor of a room of height h. It hits the ceiling and then returns to the floor, from which it rebounds, managing just to hit the ceiling a second time. Assume that the coefficient of restitution between the ball and the floor, e, is equal to that between the ball and the ceiling. Compute e.arrow_forwardPortfolio Problem 4. Consider two identical springs, each with natural length and spring constant k, attached to a horizontal frame at distance 2l apart. Their free ends are attached to the same particle of mass m, which is hanging under gravity. Let z denote the vertical displacement of the particle from the hori- zontal frame, so that z < 0 when the particle is below the frame, as shown in the figure. The particle has zero horizontal velocity, so that the motion is one dimensional along z. 000000 0 eeeeee (a) Show that the total force acting on the particle is X F-mg k-2kz 1 (1. l k. (b) Find the potential energy U(x, y, z) of the system such that U x = : 0. = O when (c) The particle is pulled down until the springs are each of length 3l, and then released. Find the velocity of the particle when it crosses z = 0.arrow_forwardIn the figure below, a semicircular conductor of radius R = 0.260 m is rotated about the axis AC at a constant rate of 130 rev/min. A uniform magnetic field of magnitude 1.22 T fills the entire region below the axis and is directed out of the page. R Pout (a) Calculate the maximum value of the emf induced between the ends of the conductor. 1.77 v (b) What is the value of the average induced emf for each complete rotation? 0 v (c) How would your answers to parts (a) and (b) change if the magnetic field were allowed to extend a distance R above the axis of rotation? (Select all that apply.) The value in part (a) would increase. The value in part (a) would remain the same. The value in part (a) would decrease. The value in part (b) would increase. The value in part (b) would remain the same. The value in part (b) would decrease. × (d) Sketch the emf versus time when the field is as drawn in the figure. Choose File No file chosen This answer has not been graded yet. (e) Sketch the emf…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Horizons: Exploring the Universe (MindTap Course ...PhysicsISBN:9781305960961Author:Michael A. Seeds, Dana BackmanPublisher:Cengage LearningStars and GalaxiesPhysicsISBN:9781305120785Author:Michael A. Seeds, Dana BackmanPublisher:Cengage Learning
- Foundations of Astronomy (MindTap Course List)PhysicsISBN:9781337399920Author:Michael A. Seeds, Dana BackmanPublisher:Cengage LearningStars and Galaxies (MindTap Course List)PhysicsISBN:9781337399944Author:Michael A. SeedsPublisher:Cengage Learning


Horizons: Exploring the Universe (MindTap Course ...
Physics
ISBN:9781305960961
Author:Michael A. Seeds, Dana Backman
Publisher:Cengage Learning

Stars and Galaxies
Physics
ISBN:9781305120785
Author:Michael A. Seeds, Dana Backman
Publisher:Cengage Learning

Foundations of Astronomy (MindTap Course List)
Physics
ISBN:9781337399920
Author:Michael A. Seeds, Dana Backman
Publisher:Cengage Learning


Stars and Galaxies (MindTap Course List)
Physics
ISBN:9781337399944
Author:Michael A. Seeds
Publisher:Cengage Learning
A Level Physics – Ideal Gas Equation; Author: Atomi;https://www.youtube.com/watch?v=k0EFrmah7h0;License: Standard YouTube License, CC-BY