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Which trophic levels have the most biomass? Which have the most energy? Why? The second law of thermodynamics requires that the primary producers have the most biomass and total energy. See:http://www.physicalgeography.net/fundamentals/9o.html

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  1. Science

    Which trophic levels have the most biomass? Which have the most energy? Why? The second law of thermodynamics requires that the primary producers have the most biomass and total energy. See:http://www.physicalgeography.net/fundamentals/9o.html
  2. science

    • Explain the flow of energy through the ecosystem using specific plant and animal examples. Correctly use the following terms in your example and explanation; primary producer, primary consumer, secondary consumer, tertiary consumer, trophic level. •
  3. science

    Hi. I live in Wisconsin and I have to describe how productivity (amount of biomass produced), diversity (variety of species), complexity (number of species in trophic levels and number of trophic levels), and resilience (remaining stable) affects my
  4. science!

    Hi. I live in Wisconsin and I have to describe how productivity (amount of biomass produced), diversity (variety of species), complexity (number of species in trophic levels and number of trophic levels), and resilience (remaining stable) affects my
  5. Biology

    What is true of the energy that is passed from one trophic level to the next in a food chain? A)About 10% of the energy passed from one level to the next is released as heat. B)About 10% of the stored energy of one level becomes stored energy at the next
  6. Science/Biology

    Trophic Levels Quick Check (1) The primary source of energy in most ecosystems is/are (answer or a) the sun (2) Which would be an autotroph in a grassland ecosystem? (a) prairie cordgrass (3) Which of the following Best explains why there are fewer
  7. Cycling of Matter and Energy Flow Quick Check

    Q1) Which of the following describes the amount of organic material that is available for transfer to the next trophic level after subtracting material used for respiration? 1) Net Primary productivity 2) Biomass 3) Gross Primary productivity 4) Primary
  8. science

    Identify the fruit or vegetable you selected and relate the second law of thermodynamics to the changes in energy observed in Appendix C. How did the amount of energy gained compare to the amount of energy lost as heat at the second through fourth trophic
  9. sciance

    please explain why biomass and energy decreases fron one trophic level to the next
  10. Environmental science

    Assume the biomass of the organism at the bottom of the trophic is 5,000 lbs. predict the approximate mass of each of the remaining levels, explain why the mass is changing.
  11. Science

    How does a raw banana relate the second law of thermodynamics to the changes in energy observed in Appendix C. How did the amount of energy gained compare to the amount of energy lost as heat at the second through fourth trophic levels? Considering the
  12. college

    : Identify the fruit or vegetable you selected and relate the second law of thermodynamics to the changes in energy observed in Appendix C. How did the amount of energy gained compare to the amount of energy lost as heat at the second through fourth
  13. science

    dentify the fruit or vegetable you selected and relate the second law of thermodynamics to the changes in energy observed in Appendix C. Consider how did the amount of energy gained compare to the amount of energy lost as heat at the second through fourth
  14. biology

    1.What is the % concentration of oil in the first, second, and third trophic levels in our food chain? 2.How did the concentration of oil change from one trophic level to the next? 3.How does the change in concentration represent biomagnification? 4.How
  15. SCI 275

    Identify the fruit or vegetable you selected and relate the second law of thermodynamics to the changes in energy observed in Appendix C. How did the amount of energy gained compare to the amount of energy lost as heat at the second through fourth trophic
  16. sci/275

    Review Ch. 5, The Flow of Energy Through Ecosystems. Then, complete Appendix C. · Post your response to the following: Identify the fruit or vegetable you selected and relate the second law of thermodynamics to the changes in energy observed in Appendix
  17. science

    this is regarding food chains.will the impact of removing all the organisms in a trophic level be different for different trophic levels?can the organisms of any trophic level be removed without causing any damage to the ecosystem?
  18. sci-please revise

    The Flow of Energy Through Ecosystems. Then, complete Appendix C and respond to the following: Identify the fruit or vegetable you selected and relate the second law of thermodynamics to the changes in energy observed in Appendix C. How did the amount of
  19. scienc

    Resources: Ch. 5 of Visualizing Environmental Science and Appendix C „h Due Date: Day 2 [Main forum] „h Review Ch. 5, The Flow of Energy Through Ecosystems. Then, complete Appendix C. „h Post your response to the following: Identify the fruit or
  20. science

    I have reasearched "raw watermelon". There contain 46 calories. My question is:Referring to second-fourth trophic levels... How did the amount of energy gained compare to the amount of energy required to produce animal-based foods and goods?
  21. SCI 275

    How did the amount of energy gained compare to the amount of energy lost as heat at the second through fourth trophic levels? Considering the amount of energy required to produce animal-based foods and goods, should humans change their habits so they
  22. language arts

    Which statement best explains why levels of an energy pyramid do not have the same amount of energy?(1 point) A. Plants need more energy than animals. B. Some energy is released to the atmosphere between levels. C. Some energy is destroyed between levels.
  23. SCIENCE PLS HELP

    Which statement best explains why levels of an energy pyramid do not have the same amount of energy?(1 point) Some energy is destroyed between levels. Some energy is released to the atmosphere between levels Plants need more energy than animals. Living
  24. biology

    will the impact of removing all the organisms in a trophic level be different for different levels?can the organisms of any trophic level be removed without causing any damage to the ecosystem?
  25. sci 275

    how did the amount of energy gained compare to the amount of enery lost as heat at the second through fourth trophic levels?
  26. Science

    Explain, with the help of an appropriate labelled sketch diagram, how a hydrogen atom, which has only one electron, has so many spectral lines. The diagram of the energy levels follows: --------------- --------------- --------------- -----------------
  27. Science

    Which 6 are energy from sunlight?? nuclear energy,geothermal energy,tidal energy,fusion energy,wind,hydroelectric energy,solar energy,biomass,fossil fuels,ocean thermal,energy conversion
  28. SCIENCE PLZZ HELP

    Which 6 are energy from sunlight?? nuclear energy,geothermal energy,tidal energy,fusion energy,wind,hydroelectric energy,solar energy,biomass,fossil fuels,ocean thermal,energy conversion
  29. Living Environment

    Could someone please explain what biomass means? Does it just mean how much energy an organism has? http://en.wikipedia.org/wiki/Biomass thanks, Lance!='} what is increased amounts of nitrogen and phosphorus in a lake
  30. HELP MEH PLZ

    What are trophic levels?
  31. ap bio

    The number of trophic levels that can be maintained in an ecosystem is limited by: a. a gain in population size b. the loss of potential energy c. the number of individuals in the ecosystem i have chosen a but it is for a grade and i would love some help??
  32. chemistry

    Examine the three listed elements of Group 13. boron (B), aluminum (Al), gallium (Ga) If boron has two energy levels, then how many energy levels do the other two elements have? Aluminum has three energy levels, and gallium has four energy levels. Aluminum
  33. science

    what are the trophic levels from a animal food web?
  34. bio

    what is a trophic level how does the amount of energy change as you go from one trophic level to another
  35. Science-Ecology

    Why are food chains typically limited to 4 or 5 trophic levels?
  36. Biology

    The water cycle is best described by which of the following statements? Water in the atmosphere must be converted to another chemical before animals can use it. The water on earth changes forms as it moves from one reservoir to another.>----- My answer As
  37. Chemistry

    Can anyone tell me why a hydrogen atom has so many spectral lines even though it has only one electron? Also how would I explain this using a diagram? There are many unfilled energy levels above ground. Excited electrons can move betwixt those levels on
  38. env, sci

    distinguish between the first law of thermodynamics energy and the second law of thermodynamics energy Energy as defined in both laws has the same meaning. It is the laws that are different. The second law involves the direction of heat flow, the role of
  39. Technology for Biobased Products

    QA.A bio-PDO production process will also produce microbial biomass. A huge surplus biomass of roughly 10% of the PDO mass should be expected. A good use of this microbial biomass could be food of feed. Which organism properties disqualify their use in
  40. Chemistry (Electrons in Atoms)

    True or False. 1)Electrons give off light as they drop to lower energy levels. 2)Electrons travel around the nucleus as waves. 3)A photon of low frequency light has more energy than a photon of high frequency light. 4)Orbitals with equal energy levels each
  41. Environmental Science

    In a short answer, Explain why an energy pyramid is used to represent the amount of energy at each trophic level.
  42. science

    describe the efficiency of energy tranfer and how the amount of energy available at each trophic level affects the structure of the ecosystem>
  43. Marine science

    Why is it beneficial that many predatory fish have larval and juvenile stages that feed at a low trophic level, while the adults feed at a tertiary or quaternary trophic level? My answer was that the larval and juvenile stages would get more energy but my
  44. physics

    The drawing shows three energy levels of a laser that are involved in the lasing action. These levels are analogous to the levels in the Ne atoms of a He-Ne laser. The E2 level is a metastable level, and the E0 level is the ground state. The difference
  45. Science

    How does a light bulb transform electrical energy into radiant energy? The metal filament is heated hot so the the outer electrons on the atoms become exited to higher unstable energy levels, and as they come back to natural levels, light is emitted. THANK
  46. Quantum Physics

    Each element has a different set of energy levels. Use this fact to "explain" whay the colour of the light emitted by an element in the gaseous state is characteristic of the element. When an electron falls from one of the higher energy levels to a lower
  47. Bioprocessing

    A continuously operated 1000 liter CSTR is used for production of biomass from glucose provided by the feed (feed rate of 100l/h and glucose concentration of 10 g/l). The bacteria show Monod type growth with a maximal specific growth rate of 0.4/h and an
  48. Chemistry

    The biomass formula for a yeast is CH1.66 00.269 N0.194. The formula accounts for 92% of dry mass; the other 8% is inorganic material (ash). When grown on C6H14, the yield on biomass is 1.4 gcell/gsubstrate. What is the respiratory quotient (mole CO2
  49. Chem.

    Three emission lines involving three energy levels in an atom occur at wavelengths x, 1.5x, and 3.0x nanometers. Which wavelength corresponds to the transition from the highest to the lowest of the three energy levels? Please help me, thank you very much
  50. marine science

    Why is it beneficial that many predatory fish have larval and juvenile stages that feed at a low trophic level, while the adults feed at a tertiary or quaternarty trophic level? My answer was that the larval and juvenile stages get more energy since they
  51. Food Web

    A food web contains green plants, rabbits, squirrels, mice, seed-eating birds, hawks, and owls. Which organisms in this food web would contain the greatest biomass? Which one would have the least? Explain I think that the greatest biomass would be plants
  52. criminal justice

    which of the following is related to ethanol production? (a) wind (b) solar (c) hydroelectric (d) biomass I think the answer is (d) biomass
  53. Physical Chemistry

    26.Use Russell-Saunders LS coupling to derive the ground state levels of (a) Ne (b) F (c) Sc (d) Zr (e) C. 30. a. Construct a Grotrian diagram for the He emission spectrum (shown on the right) and use it to assign as much of this spectrum as you can using
  54. science

    Hmm.. which energy source do you think would be most advantageous? Like, fossil fuels, natural gas, oil, coal, biomass, solar energy.... you choose.. And why do you think it would be the best? Thanks :)
  55. Chemistry

    24. A quantum is a finite amount of energy gained or lost by an atom.- F? 25. An atom is in an excited state when it has its lowest energy.- F 26. The Bohr model of the atom shows electrons in areas called energy levels.- F? 27. The principal quantum
  56. ENEGRY COSTS

    I need to know how much it would cost to build the following plants (as in factories): Solar energy plant Biomass plant Geothermal energy plant Wind energy plant nuclear Energy plant
  57. Ten Percent Rule (biology)

    When a consumer eats a producer, 10 percent of the producer’s energy is passed on to the consumer trophic level. What happens to the other 90 percent? 1) It is used for cell processes or released as heat. 2) It is used by the producer to pass on to the
  58. Science

    What role does metabolism play in the flow of energy?(1 point) Metabolism causes energy to flow from one level to the next on the energy pyramid. Metabolism converts radiant energy into chemical energy. Metabolism breaks down glucose to create energy.
  59. physics

    Which of the following is correct for the energy levels in an atomic system? Choose one answer. a. The energy value increases with the distance from the nucleus. b. The energy value decreases with the distance from the nucleus. c. The energy value remains
  60. Science

    The law of conservation of energy states that energy can neither be created nor destroyed. In many instances it may look as though energy is gained or lost, but it is really only changed in form. How is the law of conservation of energy represented when an
  61. Biology

    Why does biomass decrease as we move up the biomass pyramid?
  62. biology

    energy that is lost at each trophic level of an ecosystem is replenished by????
  63. physics

    Which of the following is true for the transition of electrons from a higher energy to a lower energy state? Choose one answer. a. The greater the energy difference between the levels, the more is the wavelength of the photons emitted. b. The greater the
  64. physics

    Which of the following is true for the transition of electrons from a higher energy to a lower energy state? Choose one answer. a. The greater the energy difference between the levels, the more is the wavelength of the photons emitted. b. The greater the
  65. Science Help!!!!

    Which of the following is a source of photochemical smog. A. Fossil fuels B. Wind energy C. Biomass fuels D. Nuclear energy Is the answer A?
  66. SS

    Which of the following is a source of photochemical smog? 1)fossil fuels 2)wind energy 3)biomass fuels 4)nuclear energy I THINK 4
  67. Chemistry

    An atom contains a total of 25 electrons. When the atom is in the ground state, how many different principal energy levels will contain electrons? a. 1 b. 2 c. 3 d. 4 I really don't get this because I thought energy levels went like 2, 8, 18, 32, and 50,
  68. Science

    What percentage of the energy from the grass would the hawks get in the trophic level pyramid of a food chain
  69. science

    A model of an atom shows eight electrons in rings that represent different energy levels. How many electrons are in each energy level?(1 point) 1.two in the first energy level, six in the second energy level 2.eight in the first energy level, zero in the
  70. SCI 275

    What are some challenges with using and managing these alternative, renewable energy resources. these are Wind power, solar energy, and biomass. Nonrenewable energy resources include coal, oil, and natural gas. Describe three common challenges with
  71. Biology

    [Continued from my last post] B) Explain where a detritivore and a decomposer could enter this path. Explain what they feed on on the systems. My answer: Detritivores include worms and fungal and bacterial decomposers. Bacteria and fungi are known as
  72. Science

    Sustained increase in the population that makes up all the trophic levels requires an increase in A. primary producers B. primary herbivores C. primary carnivores D. keystone predators
  73. physics

    If a more complicated atom has two energy levels for its electrons at (-15) eV and (-30.1) eV, what is the wavelength of the photon (in nm) that is emitted when an electron transitions between these two levels?
  74. biology

    Assume that a mature female vegetarian consumed 2 pounds of food daily for one year. At the end of this one year, she weighed ½ pound more than she weighed at the beginning of that year. a. What was the percentage of biomass conversion at this trophic
  75. Science...another pyramid

    Would you use a pyramid of numbers or biomass to show the transfer of energy from dogs to fleas.
  76. Science

    Would you use a pyramid of numbers or biomass to show the transfer of energy from dogs to fleas.
  77. science

    the law of ? of energy states that energy can never be destroyed or created Law of conservation of energy.
  78. science

    Which of the following statement is correct a. There are 7 principal electron energy levels. b.The second principal energy level has 4 sub-energy levels and contain a max. Of 8 electrons. c.The principal energy level N can have a max. Of 32 electrons. D.
  79. chemistry

    help needed in drawing the diagram to show how hydrogen has numerous spectral lines I also need help with this question.... ---------------- ---------------- ---------------- ---------------- ---------------- -------------------- Each line above represents
  80. Science

    We know that the law of conservation of energy states that energy can not be created or destroyed. It only changes form. Consider this energy transformation diagram. Assume that the energy input in this case is chemical potential energy and the useful
  81. Chemistry

    An electron jumps from energy level 1 to energy level 2 by absorbing a photon of energy 8 eV. What is the most likely energy of the photon that will be emitted by the electron when it moves back down to energy level 1? 2 ev 4 ev 8 ev 12 ev What is the best
  82. Biology!

    1. Urea is made where? Is it in the kidneys or the liver? 2. Which trophic level gets the least amount of energy? a) producers b) herbivores c) carnivores d) decomposers I think the answer is c, but i'm not sure if it's right.
  83. Chemistry

    Did I answer these correctly? 1. What is the total number of principal energy levels or shells in an atom with an atomic number of 30? a. 3 b. 4 c. 5 d. 6 I choose b. 2. The electron configuration of an atom in the ground state is 2-4. The total number of
  84. Chemistry

    What would be the change in energy for an atom when an electron goes from n=6 to n=3? I'm assuming it would be negative because you would have to lose energy to go down energy levels. Would that be correct?
  85. Emission Spectrum of hydrogen ...CHEM

    Can someone please explain the emissiom spectrum of hydrogen? THose lines represent the energy released by the electron when going from one orbital (energy level) to a lower orbital. The difference of energy levels exactly corresponds to the energy in the
  86. 3 science questions

    7. Which of the following is used to make biomass fuel? B. plants and animal waste C. coal
  87. Science**updated asnwers**

    5.B 6.A 7.C 8.D 9.A 11.D 13.D 5. Which of the following types of pollution cannot be attributed to car and truck emissions? A. acid rain B. sedimentation C. ozone D. photochemical smog 6. Which of the following is a source of photochemical smog? A. fossil
  88. chemistry

    1. Write the electron configuration for each atom or ion. Then explain the distribution of electrons among energy levels. Ca, Be2+, and Br- I already found the electron configurations but I don't understand the second part of the question.(Then explain the
  89. Science/Chemistry

    How many electrons can occupy a single molecular orbital? and Alumimum is a group 3A metal, Which ion does A1 typically form? I'm thinking Al3+ Your first question depends on the molecule involved and how it is bonded. Hybrid molecular orbits can be
  90. biology

    Picture true of false The atom shown in the diagram has 4 energy levels or shells. 2. The atom shown in the diagram above has a total of 5 electron orbitals. 3. Each energy level consists of 2 or more orbitals. 4. The second energy level consists of 4
  91. science

    An atom that has the same amount of atoms of each element on both sides of the reaction obeys what law? law of conservation of energy law of conservation of mass law of conservation of temperature law of conservation of atoms I know the Answer law of
  92. Science

    Explain how our everyday uses of natural resources around us become biomass. Give examples from your everyday life of resources that can later become biomass.
  93. chemistry (Bohr model)

    The second ionization energy of He is almost exactly four times the ionization energy of H, and the third ionization energy of Li is almost exactly nine times the ionization energy of H: IE (MJ mol-1) H(g) --> H +(g) + e- (1.3120) He+(g) --> He2+(g) + e-
  94. Biology

    Hi, I am studying energy movements in ecosystems. Could you help me with this question: What type of food would be consumed by a secondaryconsumer in the third trophic level of a food chain.
  95. Biology

    Which trophic level gets the least amount of energy? a) producers b) herbivores c) carnivores d) decomposers I think the answer is c, but i'm not sure if it's right. I posted this question earlier, but google didn't provide with an answer. I still think
  96. chemistry

    which of the following statements correctly describes energy levels? A. Electrons can never move to a higher or lower energy level. B. In its outermost energy level, oxygen has 4 valence electrons C. The Second energy level holds a maximum of eight
  97. chemistry

    Which of the following statements correctly describes energy levels? A. Electrons can never move to a higher or lower energy level. B. In its outermost energy level, oxygen has 4 valence electrons C. The second energy level holds a maximum of eight
  98. chemistry

    Which of following statements correctly describes energy levels? A. Electrons can never move to a higher or lower energy level. B.In it's outermost energy level, oxygen has 4 valence electrons. C. The second energy level holds a maximum of eight electrons.
  99. Education

    Bloom's taxonomy levels A) correspond directly to grade levels in constructing an action plan. B) help teachers to gauge the cognitive levels required for their objectives. C) identify at which step in the DID cycle instruction is occurring. D) indicate
  100. Physics

    We always hear people say “You should conserve energy! Think of what will happen to the next generation if all our energy resources get depleted!” Is this in contradiction with the Law of Conservation of Energy which states that the total amount of

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