1. science

    Can you explain how matter and energy are continuously transferred between organisms and their physical environment? All help welcomed, I'm willing to be directed to links etc thank you! Im truly stumped here i know it probably has to do with the carbon
  2. Physics

    n a running event, a sprinter does 5.5 105 J of work and her internal energy decreases by 8.8 105 J. (a) Determine the heat transferred between her body and surroundings during this event. _____J (b) What does the sign of your answer to part (a) indicate?
  3. physics

    In a running event, a sprinter does 4.9 105 J of work and her internal energy decreases by 9.1 105 J. (a) Determine the heat transferred between her body and surroundings during this event. J (b) What does the sign of your answer to part (a) indicate?
  4. 11th grade Biology

    Match the following.. 12. Moves in cycles from nonliving things to living things back to nonliving, etc. 13. Can be passed from one organism to another in a food chain. 14. Is constantly being lost from the biosphere. 15. Can be created by living
  5. Ecology

    8.Which of the following examples of an ecological study involves the ecosystem level of organization? A.The effects of human activities on biogeochemical cycling B.The effects of an invasive plant species on bird nesting sites C.The effects of competition
  6. Science

    Which abiotic factor is essential to all aquatic ecosystems excpet the ocean hydrothermal vents, and why? a. phytoplankton, because it provides a source of food b. salt, because it provides the necessary environment for organisms to move about c. deep
  7. Biology-Ecology

    Multiple choice: For a natural ecosystem to be self-sustaining, many compounds must be: 1. converted into new forms of energy. 2. cycled between organisms and the environment. 3. permanently removed from the environment. 4. changed into fossil fuels such
  8. biology

    1. The energy used by living organisms a. is declining through time. b. is derived by breaking bonds that hold the atoms in organic molecules together. c. involves ionic bonds more often than covalent bonds. d. is available only from glucose when it
  9. Science

    Humans shape their environment in ways that other organisms cannot. Are humans subject to the same pressures of natural selection as other organisms? Yes. If we are too weak or too lazy or too unfortunate to make a living, we will not survive. We can steal
  10. biology

    Which of the following is the definition of ecology? -the social movement with a goal to protect the environment -the recycling of human-made materials to reduce the waste going into landfills -the study of interactions among organisms and between
  11. physics

    What is the purpose of a layer or copper or aluminum on the bottom of stainless steel cookware? All objects continuously emit radiant energy. Why then doesn't the temperature of all objects continuously decrease? All objects continuously absorb energy from
  12. Living environment(check please)

    When the food relationship in a habitat are illustrated by means of diagram, the result is always a complicated web like pattern. This is due to the fact that 1 many consumers are adapted to use more than one food source 2 producer organisms always
  13. Biology

    1. Which of the following is the definition of ecology? the social movement with a goal to protect the environment the recycling of human-made materials to reduce waste going into landfills the study of interactions among organisms and between organisms
  14. Science

    I have a Science fair project. This is the Science Fair Quetsion: Which brand of soda retains its gas the longest? My Problem is that I don't know how to measure gas. Can some one who knows please help me. open the bottles of soda at the same time and
  15. Science "HELP"!

    Passage:The particles of matter are in constant motion. The energy of motion is called kinetic energy, so the particles of matter have kinetic energy. As matter becomes warmer, its particles move faster. As a result, their kinetic energy increases.
  16. Check answers

    Environmental science Explain why the energy pyramind levels change in size? There is not enough energy to support the organisms that are higher up in the energy pyramid because too much energy gets lost. What is the ultimate source of energy for most food
  17. biology

    what are organisms that can synthesize energy-containing organic compounds? organisms that add to the total energy stored in organic compounds? organisms that require sunlight in order to survive? choices: a) autotrophs b) heterotrophs c) both any help is
  18. Intro to Physical Science

    Define physical science Andrew: I went to www.dictionary.com and typed in physical science. The following is what it returned.I hope this helps. physical science  1. any of the natural sciences dealing with inanimate matter or with energy, as
  19. Science

    If don't mind could you check my answers for environmental science 1.The interdisciplinary study of humanity’s relationship with other organisms and the non-living physical environment is termed: a) ecology b) sociology c) political science d) risk
  20. Science

    If don't mind could you check my answers for environmental science 1.The interdisciplinary study of humanity’s relationship with other organisms and the non-living physical environment is termed: a) ecology b) sociology c) political science d) risk
  21. Science

    1. A clementine in my fridge is covered with a nice blue-green lawn of mold, a common decomposer. Assuming that the clementine did not dry out, what do you predict is the weight of the clemintine and mold together compared to the starting weight of the
  22. Chemistry

    1. A bottle of juice at room temperature is placed in a bucket of ice inside a box. The box, bottle, and bucket of ice represent a closed system. Which of the following statements is true? (2.0 points) (Points : 2) Heat flows from the ice to the juice
  23. Biology

    28. Natural selection causes a. changes in the environment b. plants and animals to produce more offpsring than can survive c. changes in the frequency of certain favorable characteristics in a population d. all of the above D? 30. When Darwin published
  24. Biology

    28. Natural selection causes a. changes in the environment b. plants and animals to produce more offpsring than can survive c. changes in the frequency of certain favorable characteristics in a population d. all of the above D? 30. When Darwin published
  25. Physics

    "The energy that is transferred as heat to or from the object with the larger heat capacity must be greater than the energy that is transferred as heat to or from the object with the smaller heat capacity." Can someone explain why this concept is true or
  26. physics

    A perfectly insulated cup is filled with water initially at 20C. Heat energy is transferred to the cup by an immersion heater at a steady rate. Sketch on the axes that follow the temp as a function of time. Explain the shape of your graph and write down a
  27. world geography

    Which of the following statements is most accurate? 1.The physical environment has no effect on human activities, but human activities may affect the physical environment. 2.The physical environment does not affect on human activities, and human activities
  28. Science

    Do all organisms get the same amount of energy? Why or why not? I would think that organisms get different amounts of energy since some need more and others need less. Like a plant would need different amounts of energy from a bear. A plant would get more
  29. biology

    explain how single celled organisms that live in freshwater adapted to living in a hypotonic environment
  30. genetic variation and biotechnology

    a species of organism only reproduces asexually. due to a change in the environment, some organisms are starting to die. predict how the other organisms of the species will do? a. they will probably die because they have the same genes. B.other organisms
  31. science

    i have to do a crossword for school and need help on the following question (answer 9 letters)what describes all the organisms within an environment and their relationships with each other and the environment please help
  32. Bio-100

    I need someone to check my assignment to see if I have the correct answers. What are 10 Characteristics of Living Organisms? 1. Composed of one or more cells 2. May evolve into a new type of organism 3. Carries out and controls a variety of chemical
  33. Biology

    What are 5 organisms that use energy in sunlight to make food, and what is the name of this organism? What are 5 organisms that must consume other organisms in order to obtain food?
  34. Chemistry - matter and energy.

    Distinguish between the view of matter and energy in microscopic world and view matter and energy in the quantum mechanical world. I do not understand this question, i tried googling it, but hardly got something to give me an idea about. Please help.
  35. Physics

    The 9-ball travelling and strikes the 13-ball, which is of equal mass and at rest. If this is an elastic collision, which statement below is true? Marks 3+4 = 7 a) All of the 9-ball’s energy and momentum are transferred to the 13-ball. b) All of the
  36. environment

    Oil spills and leaks in the Pacific Ocean have harmed marine organisms and the environment. Which kind of environmental issue is illustrated by this example?
  37. Science

    Humans shape their environment in ways that other organisms cannot. Are humans subject to the same pressures of natural selection as other organisms? why or why not?
  38. Physical Science

    Explain the importance of the water cycle to survival of the earth's organisms?
  39. Cosmology

    In order from earlier to later times, the dominant components of our universe have been: * dark energy, matter, then radiation * dark energy, radiation, then matter * matter, radiation, then dark energy * radiation, matter, then dark energy
  40. biology

    explain why scientists look at the health and population of organisms to measure to effects of pollution in an ecosystem instead of directly measuring the concentration of chemical in the environment.
  41. Biology

    Describe the traits that distinguish animals from other organisms Explain the diversity of invertebrates, chordates, and primates using the theory of evolution Describe the structures and body systems of animals that allow them to maintain homeostasis
  42. 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
  43. Science

    Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs The greatest amount of living organisms can be found in the photic zone where sunlight can penetrate water, and where organisms that photosynthesize
  44. Science

    Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs The greatest amount of living organisms can be found in the photic zone where sunlight can penetrate water, and where organisms that photosynthesize
  45. Science

    Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs The greatest amount of living organisms can be found in the photic zone where sunlight can penetrate water, and where organisms that photosynthesize
  46. science

    I need a little assistance. Can you help? The question which seems to be simple enough is What is a physical change? My son answered - A physical change is any change that alters the form or appearance of matter into a different substance. I do not agree.
  47. physics

    How do you know that a sealed calorimeter is a closed system? because temperature is consurved because the masses of the sample and water are equal because thermal energy is not transferred to the environment because work is done on the test sample Please
  48. Physics

    An immersion heater of resistance R converts electrical energy into thermal energy that is transferred to the liquid in which the heater is immersed. If the current in the heater is I, the thermal energy transferred to the liquid in time t is ? The answer
  49. Physical Geography

    Is energy transferred from low latitudes to high latitudes by advection?
  50. Science

    1. In most organisms, what kind of organisms are producers plants 2. What benefit do decomposers provide for an ecosystem? Decomposers such as mushrooms and bacteria are consumers that break down the tissues of dead organisms. What decomposers don't use
  51. thermodynamics

    heat in the amount of 5 KJ is added while its internal energy decreases by 10 KJ. how much energy is transferred as work? for a process causing the same change of state but for which the work is zero, how much heat is transferred?
  52. College Physics

    The rms speed of the molecules in 1.7 g of hydrogen gas is 1700 m/s. What is the total translational kinetic energy of the gas molecules? What is the thermal energy of the gas? 500 J of work are done to compress the gas while, in the same process, 1700 J
  53. Life Science

    By living in areas where other organisms inhabit,humans change the environmental conditions for those organisms. Describe two ways humans impact the environment and what the effects are on the earth? Thesse can either be positive or negative. Please answer
  54. science

    I guess I'm missing something here...but I've approached this question in every possible angle and im just not getting it! Could somebody point me in the right direction? Here is the question: If the measured net radiation (Q*) for the lawn of your home in
  55. Chemistry

    The statement "matter can be neither created nor destroyed by chemical means, but it can be changed from one form to another" is the chemical law of A. definite proportions. B. atomic disintegration. C. conservation of energy. D. conservation of matter. im
  56. physical science

    what is transferred by a force moving an object through a distance? a. force b. mass c. motion* d. energy please check my answer
  57. Science

    In a wheelbarrow, you have 2 kilograms of soil for your garden. If 8 percent of it is organic matter( decayed materials from organisms), how many grams of organic matter do you have?
  58. BIOLOGY

    Explain the how energy is being transferred in the following relationship: Berries -> Squirrel
  59. Science

    .Define the following terms and provide a example of each: -atom, - compound, - element, -energy, - photosynthesis, -matter, - decomposition. Write it in your own words. . Explain the forms of energy: radiant, chemical, mechanical, electrical, thermal. .
  60. psychology

    Psychologists are interested in people's behavior and their mental processes. Psychologists believe that: behavior is impacted by environment, but not by a person's physical state. behavior is affected by a person's mental and physical state, but rarely by
  61. biology

    When Darwin published his theory of evolution, he included all of the following ideas EXCEPT the idea that a. species changed slowly over time. b. some organisms become less suited to their environment then others. c. evolution occurs in spurts after major
  62. 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
  63. Integrated Science

    The sun converts matter to radiant energy at a rate of 1.4 x 10 to the 17th power kg per year, how much matter is converted into energy every second?
  64. English

    Cause - There is a concern about global warming and the damage it is doing to the environment. Effect - ??????? Which of the following belong in the "Effect" row? a. Solar panels help to harness the energy from the sun and convert it into electricity. b.
  65. physics

    During a rockslide, a 520kg rock slides from rest down a hillside that is 500m long and 300m high. The coefficient of kinetic energy between the rock and the hill surface is .25. a) If the GPE energy U of the rock –Earth system is zero at the bottom of
  66. Physics(Please respond)

    A system does 210 J of work on its environment and gains 80.6 J of heat in the process. Find the change in the internal energy of (a) the system and (b) the environment. ÄU = Q - W Where ÄU is the change in the internal energy of the system, Q is the
  67. science

    What happens when a candle is alight (on one side we had to show physical change and on other side the chemical change). The question sheet says 'Explained both changes using the Big Idea of Energy.' The physical changes are what you can see, and what you
  68. Environmental science

    33. Using two or three well-developed paragraphs, write the names of the six kingdoms of organisms. Identify several characteristics of each kingdom. -Most organisms are classified into six kingdoms, which are: Archaebacteria, Eubacteria, Fungi, Protists,
  69. social studies

    i need to find some info on kyoto how have people adapted to this environment? has the physical landscape/environment influenced human life in this place? how have humans modified this environment from its natural state can you send me the links where you
  70. Physical Science

    Explain Why charged particles do not penetrate matter deeply
  71. Science

    What is the name for organisms that consume other organisms for energy
  72. Science

    1. In most organisms, what kind of organisms are producers Answer:plants 2. What benefit do decomposers provide for an ecosystem? Answer:Decomposers such as mushrooms and bacteria are consumers that break down the tissues of dead organisms. What
  73. Physics(Please respond)

    A system does 210 J of work on its environment and gains 80.6 J of heat in the process. Find the change in the internal energy of (a) the system and (b) the environment. Physics(Please respond) - Elena, Thursday, June 21, 2012 at 2:33am ÄU = Q - W Where
  74. Science

    The Lactic Acid System a. supplies energy needed to walk or cycle continuously b. provides energy to pitch a baseball c. creates energy needed to pass another 5k participant with a burst on energy. d. none of these
  75. Chemistry

    in an endothermic reaction 1.energy is a product and the temperature of the surrounding environment increases 2.energy is a product and the temperature of the surrounding environment decreases 3.energy is a rectant and the temperature of the surrounding
  76. Science-Oceanography

    Bioluminescence in the marine environment is: a. Widespread amonth both invertebreates and the fishes? b. limited to plankton and survace dwelling organisms? It is widespread. Scroll down to Organisms that bioluminesce here:
  77. Physical Science

    Explain how atoms move/pass in conduction. This is my answer. When heat comes in contact with matter it makes the atoms vibrate. As the conductor is heated , the atoms gain more energy and vibrate more. This causes them to collide with other atoms
  78. Science

    A student is trying to identify the different forms of energy described in the following chart: Form of Energy Description Examples Energy A energy that travels in waves through space light radio waves Energy B energy that depends on the height of an
  79. critical thinking (just explain the question plz)

    can u explain this question for me or rephrase it because i don't understand what it means by fact-based subject matter or value-based subject matter. Does your hypothesis test fact-based subject matter or value-based subject matter? Briefly explain.?
  80. physics

    my answer for these are 1. a 2.c 3 d but not sure so please anyone see if i am correct 1. In which of the following cases is work done on the object? A. Lifting an object off the floor. B. Pushing an object, but it does not move C. Carrying an object at a
  81. science

    Why are fossil fuels such rich sources of energy for humans, but rocks are not? A. Rocks are too old to contain energy. B. Rocks are too difficult to extract from Earth. C. Fossil fuels contain energy-rich carbon from once-living organisms. D. Both rocks
  82. Physical Science

    In what direction does heat flow? Why do particles of matter transfer thermal energy in this direction?
  83. science please help

    the ability to cause changes in matter is a result of the following____________ A.mass B.energy C.force D.inertia Melting is a change in matter. Which answer could cause melting? i do not know hey im sorry to ask u this but what? Think. State your
  84. Physics

    1) Is it accurate to describe the physical universe as composed of only matter and energy? 2) How is it possible that only 92 elements are found in the natural world but there are millions of different types of molecules? I really have no clue about these
  85. physics

    1. In which of the following cases is work done on the object? A. Lifting an object off the floor. B. Pushing an object, but it does not move C. Carrying an object at a constant velocity D. None of these 2. The energy of a system increases when A. a force
  86. biology

    A. The change in Gibbs free energy of ATP synthesis (acknowledging the body requires 46.3 kJ/mole) is.. This reaction is endergonic or exergonic? The energy for ATP synthesis comes from Is energy used to make ATP transferred in a single reaction or is it
  87. Science summer activity help

    I saw a site that had fun summer activites and my mom said each one I pass I get 5 dollars so I want to check my answers. 1.B 3.D 4.A 5.D 1.how do scientists explain the great diversity of life on earth? different characteristics help __ A. young organisms
  88. biology

    Think of diets from an energy perspective. Where is the energy coming from, and how many organisms does it move through before it gets to the human? In what form is most of the energy in when it gets to the human, and how is that energy unleashed by the
  89. health Environment

    Contrast the typical profiles of higher and lower molecular weight chemicals as to their physical-chemical properties and their behavior in the environment?
  90. science

    in a symbiotic relationship a) both organisms always benefit b) both organisms are harmed c) both organisms never benefit d) at least one organism always benefits e) neither organisms is affected d
  91. earth science

    briefly explain how earths atmosphere heated? Energy is transferred between the earth's surface and the atmosphere via conduction, convection, and radiation. Conduction is the process by which heat energy is transmitted through contact with neighboring
  92. science

    Where does energy come from? Energy can come from the complete destruction of matter (as in nuclear reactions), or the rearrangement of electrons or other charged particles inside matter (as in chemical reactions) or from electromagetic fields (as in light
  93. physics 30

    A flash of lightning transfers 1.5 x 10^9 Joules of energy through a potential difference of 5.0 x 10^7 Volts between a cloud and the ground. Calculate the quantity of charge transferred in the lightning bolt. How many electrons were transferred? Does this
  94. biology

    Organisms must be able to adapt to a changing external and internal environment. An organism's ability to maintain a stable internal environment is known as homeostasis. How does a cell's membrane help an organism maintain homeostasis? A. Cell membranes
  95. science help

    1.Why do the islands of Indonesia have many volcanoes and experience frequent earthquakes? A.The islands are located at the boundaries of tectonic plates. B.Many hotspots are found near the islands. C.Magma is less abundant under Earth’s crust near the
  96. Physics

    Could you please check my answers and help me with some? 1. What does it mean to say a physical quantity is conserved? Why is this idea useful? (I don't understand how it is useful) -When a physical quantity is conserved it means that it doesn’t change.
  97. Science

    Molecules that make up matter move constantly.Which of these forms of energy refers to the energy of the moving molecules and why? A.Chemical Energy B.Thermal Energy C.Electrical Energy D.Light Energy Which device can change electrical energy to light and
  98. English

    Would someone look over my paragraph and let me know if and where I need to make improvements In Garrett Hardin's "Lifeboat Ethics", the paragraph that touched me the most is "Overloading The Environment". Hardin talks about India and how the population is
  99. physics- please check

    a. Two sticks are rubbed together to start a fire. b. A firecracker explodes. c. A red-hot iron bar is set aside to cool. In which of the situations listed above is energy being transferred as heat to the system in order for the system to do work? I would
  100. science (CHECK plz)

    How did Lamarck and Darwin differ in their thinking about species? A. Darwin thought that organisms could induce their own changes, while Lamarck thought that change could only be induced by an organism's environment. B. Darwin thought that change could