Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 54, Problem 4TYK
Summary Introduction
Introduction:
The ecological pyramid is a graphical representation showing trophic levels in an ecosystem as stacked blocks, with primary producers at the bottom and high-level consumers at the top. These pyramids are used to represent the number, biomass, or energy in the entire ecosystem. The size of the blocks corresponds to the biomass, energy, or number of organisms at that level. Generally, the energy and productivity decrease with each trophic level.
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Students have asked these similar questions
given a hierarchy of ecological system, indicate what attribute will be of interest to you at each level of ecologist .
provide reason for each answer.
a.individual
b.population.
c.community
d.ecosystem
e.landscape.
f.biome.
g.biosphere.
The fundamental unit of ecology is the
A. Ecosystem
B. Biosphere
C. Population
D.Species
Answer the questions below based on the Active Reading above:
1. Organisms need
to live and
to survive.
2. What do limiting factors do?
a. Separate biotic factors from abiotic factors.
b. Determine which is the predator and which is the prey.
€. Regulate how many organisms live in an ecosystem.
d. Determine which natural disasters will hit an area.
3. Which of the following are abiotic limiting factors?
a. The decomposers in an ecosystem.
b. The populations of producers in a given habitat.
c. Carrying capacities of several species.
d. Water, space, and oxygen.
4. Which of the following is a biotic limiting factor?
a. The amount of breathable oxygen available to a population.
b. Food available for organisms
lw ast
C. The nitrogen to oxygen ratio in the air supply.
d. The number of bodies of water in a habitat.
5. In biology, what is carrying-capacity?
a. The maximum population size an ecosystem can support.
b. A total list of the limiting factors.
C. How much weight an organism can…
Chapter 54 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 54.1 - In the generalized compartment model of...Ch. 54.1 - Prob. 2SBCh. 54.1 - Prob. 3SBCh. 54.2 - What is the difference between gross primary...Ch. 54.2 - What environmental factors influence rates of...Ch. 54.2 - Why is energy lost from an ecosystem at every...Ch. 54.2 - Prob. 4SBCh. 54.3 - Prob. 1SBCh. 54.3 - Prob. 2SBCh. 54.3 - Prob. 3SB
Ch. 54.3 - What is Earths main reservoir for phosphorus, and...Ch. 54.4 - Prob. 1SBCh. 54.4 - Prob. 2SBCh. 54.4 - Prob. 3SBCh. 54 - Prob. 1TYKCh. 54 - The total dry weight of plant material in a forest...Ch. 54 - Prob. 3TYKCh. 54 - Prob. 4TYKCh. 54 - Which process moves nutrients from the available...Ch. 54 - Which of the following materials has a sedimentary...Ch. 54 - Prob. 7TYKCh. 54 - Prob. 8TYKCh. 54 - The amount of energy available at the highest...Ch. 54 - Which of the following statements is supported by...Ch. 54 - Prob. 11TYKCh. 54 - Prob. 12TYKCh. 54 - Prob. 13TYKCh. 54 - Prob. 14TYKCh. 54 - Prob. 15TYKCh. 54 - Prob. 16TYKCh. 54 - Prob. 1ITD
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