Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Question
Chapter 24, Problem 3MCQ
Summary Introduction
Introduction:
The graphical representation of the flow of energy from one organism to another within a community is termed an energy pyramid. There are different levels that represent the various organisms and their relation to energy pyramid.
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The quantity of available nutrients ____________- from the lower levels ofthe energy pyramid to the higher ones.a. increases
b. decreases
c. remains stable
d. cycles
Read each questions and their corresponding choices carefully. Write the correct answer.
1A food web is_____food chains.
A.composed of
B. An energetic
C. A simple
D. A decaying
2. In the food web, which of following receives the greatest amount of energy?
A.Primary consumers
B.Tertiary consumers
C.Secondary consumers
D.Decompose
3. What happens to the stored energy as the consumer is getting away from the producer?
A. It Increases
B. It does not change
C. It decreases
D. It remains the same.
Which of the following is true about global food production?
A. If we continue growing crops for biofuel production and agricultural feed, we will be able to feed billions more people.
B. If we eliminated the production of grain-fed animals and maintained current yield and cropland, it is predicted that we could feed an additional 4,000 million people.
C. Although poverty is linked to hunger, food production is the major cause of hunger.
D. To increase food production, the only option is to increase the yield per area farmed.
Chapter 24 Solutions
Microbiology: A Systems Approach
Ch. 24.1 - Define microbial ecology.Ch. 24.1 - Summarize why our view of the abundance of...Ch. 24.1 - Prob. 3AYPCh. 24.1 - Prob. 4AYPCh. 24.1 - Prob. 5AYPCh. 24.2 - List five important elements of biogeochemical...Ch. 24.2 - Diagram a carbon cycle.Ch. 24.2 - Prob. 8AYPCh. 24.2 - Prob. 9AYPCh. 24.2 - Describe the process of nitrogen fixation, and...
Ch. 24.2 - Prob. 11AYPCh. 24.3 - Prob. 12AYPCh. 24.3 - Prob. 13AYPCh. 24.3 - Prob. 14AYPCh. 24.3 - Prob. 15AYPCh. 24.3 - Prob. 16AYPCh. 24.3 - Prob. 17AYPCh. 24.4 - Prob. 18AYPCh. 24.4 - Prob. 19AYPCh. 24 - Which of the following is not a major subdivision...Ch. 24 - Prob. 2MCQCh. 24 - Prob. 3MCQCh. 24 - Prob. 4MCQCh. 24 - Root nodules contain ______, which can ________....Ch. 24 - Prob. 6MCQCh. 24 - Prob. 7MCQCh. 24 - Prob. 8MCQCh. 24 - Prob. 9MCQCh. 24 - Recent studies reveal that a. 100% of...Ch. 24 - Prob. 11TFCh. 24 - Prob. 12TFCh. 24 - Prob. 13TFCh. 24 - A plastisphere is a specialized ball used when...Ch. 24 - Prob. 15TFCh. 24 - Prob. 1CTQCh. 24 - a. Outline the general characteristics of a...Ch. 24 - Summarize the role microbes play in the cycling of...Ch. 24 - Many people use animal manure to fertilize their...Ch. 24 - PCBs are human-made pollutants that are not...Ch. 24 - Prob. 1VCCh. 24 - From chapter 8, figure 8.24. What process does...Ch. 24 - Prob. 1CM
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- In a food chain, on average, of the food is burned for energy and exhaled and the energy becomes waste heat; the rest becomes part of the organisms' flesh. A. 10% B. 90% C. 50% D. 1%arrow_forwardIron is the_____ most often deficient in the diet. a. macronutrient c. mineral b. vitamin d. enzymearrow_forwardThe starting point of all food chain are A. Plants B. Microorganisms C. Animals D. Humansarrow_forward
- Which of the following statements if FALSE regarding phosphorus? A. On average, Americans do not consume enough phosphorus in their diets B. Phosphorus is a component of ATP C. Phosphorus from animal sources is more readily absorbed than the phosphorus from plant sources D. Phosphorus is a main component in the bonearrow_forwardThe movement of mineral nutrients through organisms and their environment is called a ________ cycle. a. biological b. bioaccumulation c. biogeochemical d. biochemicalarrow_forwardRising rates of heart disease and obesity led government scientists to advise Americans to reduce their _______ intake. This upset commercial _________ producers, and they pushed back through lobbyists and donations. The US government issued changed advice. 1. Wheat 2. Rice 3. Potato 4. Non-organic fruit 5. Meatarrow_forward
- Most ________ are necessary for enzyme function. a. micronutrients b. macronutrients c. biomolecules d. essential nutrientsarrow_forwardAnswer all the questions: 1. Organisms need nutrients in order to A. utilize hydrogen and oxygen B. recycle chemical compounds C. carry out essential life functions D. carry out nitrogen fixation 2. Biogeochemical cycling ensures that A. human activity will have no effect on elements B. living organisms will not become limited in any one nutrient C. nutrients will be circulated throughout the biosphere D. many nutrients will not reach toxic 3. Which of the following choices is benefit of human technology that positively impacts the environment? A. ability to travel long distances B. ability to make new products from used materials C. capacity to produce large quantities of food D. ability to live comfortable in large homesarrow_forwardRead each questions and their corresponding choices carefully. Write the correct answer.arrow_forward
- 92% of the energy produced in the United States is from this source of energy. A. non-depletable B. non-renewable C. renewablearrow_forwardA producer creates 1000 grams of carbohydrates. According to the 10% rule of energy transfer, how much of the original 1000 grams of carbohydrates would be lost as heat by a secondary consumer? A. 9 grams B. 80 grams C. 100 grams D. 110 gramsarrow_forwardAnswer the following: a. What is a nutrient cycle? b. What are the different types of nutrient cycles, and describe each briefly. c. What is the importance of the different nutrient cycles on Earth?arrow_forward
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