EP CAMPBELL BIO.FOCUS-MOD.MASTER.(18WK)
3rd Edition
ISBN: 9780136781851
Author: Urry
Publisher: PEARSON CO
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Chapter 42.1, Problem 3CC
MAKE CONNECTIONS Use the second law of
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BIO121 Principles of Biology I
Read the question 1 and answer (a) (b) (c) according to the diagram
Question 1
The diagram below shows a generalized energy flow model of ecosystem. Boxes represent the biotic components, and the
arrows show the pathway of energy transfer.
Sun
HEAT
HEAT
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Process X
PRODUCERS HERBIVORY HERBIVORES CARNIVORY CARNIVORES,
(a)
What is process X?
(b)
(c)
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Does energy get recycled? Explain.
HEAT
DECOMPOSERS
In relation to energy transfer in ecosystem,explain the statement"10kg of deer's meat is equivalent to 1kg of lion's flesh".
What is meant by energy flow in an ecosystem? What are the laws of
thermodynamics?
Chapter 42 Solutions
EP CAMPBELL BIO.FOCUS-MOD.MASTER.(18WK)
Ch. 42.1 - Why is the transfer of energy in an ecosystem...Ch. 42.1 - WHAT IF? You are studying nitrogen cycling on the...Ch. 42.1 - MAKE CONNECTIONS Use the second law of...Ch. 42.2 - Why is only a small portion of the solar energy...Ch. 42.2 - How can ecologists experimentally determine the...Ch. 42.2 - Prob. 3CCCh. 42.2 - Prob. 4CCCh. 42.3 - If an insect that eats plant seeds containing 100...Ch. 42.3 - WHAT IF? Detritivores are consumers that obtain...Ch. 42.4 - Prob. 1CC
Ch. 42.4 - Prob. 2CCCh. 42.4 - Prob. 3CCCh. 42.5 - Prob. 1CCCh. 42.5 - How do bioremediation and biological augmentation...Ch. 42.5 - Prob. 3CCCh. 42 - Prob. 1TYUCh. 42 - Which of these ecosystems has the lowest net...Ch. 42 - Prob. 3TYUCh. 42 - Prob. 4TYUCh. 42 - Which of the following has the greatest effect on...Ch. 42 - Prob. 6TYUCh. 42 - Prob. 7TYUCh. 42 - Prob. 8TYUCh. 42 - INTERPRET THE DATA Draw a simplified global water...Ch. 42 - SCIENTIFIC INQUIRY Using two neighboring ponds in...Ch. 42 - Prob. 11TYUCh. 42 - FOCUS ON ENERGY AND MATIER Decomposition typically...Ch. 42 - Prob. 13TYU
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- please draw! Create a model which accurately, in detail, depicts the potential pathways of carbon (biomass) and energy in an ecosystem with at least five trophic levels (don’t forget your decomposers, they can count as one trophic level). Make sure to incorporate the multiple pathways that biomass and energy could take at each trophic level. Lastly, clearly illustrate how carbon and energy flow in this ecosystem. Be sure to include adequate levels of detail for all pathways and differentiate the flow of carbon and energy in your model.arrow_forwardQ1.7. According to the first law of thermodynamics, energy can neither be created nor destroyed. Which of the following statements describes how the Sankey diagram illustrates this law? O The sum of the widths of arrows flowing into plants equals the sum of the widths of arrows flowing out. O Each process loses energy as heat. Some solar energy is never absorbed by plantsarrow_forwardEVOLUTION LINK Some have argued that evolution is impossible because the second law of thermodynamics states that entropy always increases; therefore natural processes cannot give rise to greater complexity. In what ways is this statement a misunderstanding of the laws of thermodynamics?arrow_forward
- Explain how energy flow supports the second law of thermodynamics in an ecosystem.arrow_forwardThanks In advance. And for the second pic only number 4arrow_forwardplease draw!!! Start with a photon of sunlight and a carbon atom in a molecule of carbon dioxide in the atmosphere: model/diagram their pathway from that starting point to their final destination as a glucose molecule that is used for energy in a cell in the plant root. Following your diagram/model, provide a written explanation for what your diagram/model depicts. Make sure both your model and explanation are clear, concise, and have the appropriate level of detail to clearly demonstrate you understand photosynthesis, cellular respiration, and the movement of mass and energy in plants. PLEASE INCLUDE , how does energy end up in the plant stem?arrow_forward
- Considering the second law of thermodynamics, would you expect thetypical biomass of primary producers in an ecosystem to be greaterthan or less than the biomass of secondary producers in the system?Explain your reasoningarrow_forwardFind the flaws! Energy in a terrestrial ecosystem moves from the sun, to producer, to primary consumer, to secondary consumer, ending in a tertiary consumer. Producers are heterotrophs and consumers are autotrophs. Biomagnification in how the amount of toxin in an organism will increase as you move up a food chain. For example, a plant might only have a little toxin but an herbivore eats a lot of plants. So, now the herbivore has a medium amount of toxin. A carnivore eats a lot of herbivores and now the carnivore has a high amount of toxin and is sick. The water cycle has five important processes. Evaporation which is water turning into vapor. Condensation and precipitation refer to water vapor turning into liquid or solid water. Subsurface water flow feeds rivers and streams. Surface runoff is water from precipitation gathering in streams. Streamflow moves water from mountains to oceans. Carbon can cycle either quickly or slowly. “Fast” carbon cycling happens in biology.…arrow_forwardHow can estimation of energy flow from plant to herbivore be correlated to laws of thermodynamics?arrow_forward
- HW # 1 Describe how energy flows, and carbon cycles through ecosystems. Identify where energy enters and leaves ecosystems. Identify the two major processes of energy conversion in ecosystems. HW # 2 Identify 3 environmental factors that can affect the rate of enzyme activity. What is denaturation of an enzyme? How does denaturation affect enzyme activity?arrow_forward4.4arrow_forwardSolve 11.arrow_forward
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