What happens to the chemical energy of an animal when it is eaten by another animal in an ecosystem?
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How long could a goldfish survive in a human stomach if the person has drank around 3 liters of water and hasn't eaten anything for a while?
The stomach is very acidic - pH 1.5 to 3.5 - so the water would still literally burn the fish.
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When a star explodes, does their energy only reach Earth by the light that they transmit? How much energy does one star give off when it explodes and how much of that energy hits Earth? What happens to that energy?
The energy from a star exploding reaches earth in the form of all kinds of electromagnetic radiation, from radio to gamma rays. A supernova can give off as much...
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Why does a cell need to maintain its shape? What happens if we take away the cytoskeleton from an animal cell or what happens if we take the cell wall from the plant cell?
The plant cell is far easier to answer. Plant cells, at least in the stem, rely on turgidity to remain straight. The central vacuole exerts pressure on the cell wall,...
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How do energy and nutrients move through an ecosystem?
The energy and mineral nutrients move from the green plants i.e., producers to the consumers. It is mediated by the foodchain and food web. The light energy is...
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How does the transfer of energy throughout an ecosystem begin?
99.99% of living things on Earth get all of their energy from the sun. Plants start the food web, getting their energy directly from the sun through . Any animals...
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What is the relationship between a decrease in available energy to the producers and the overall ecosystem?
The more energy available to the producers the more food the producers can make using . The increase in the food will increase the base of the food pyramid increasing...
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How are the flow of nutrients and energy through an ecosystem different?
Energy in food chain becomes less and less due to energy lost (becomes usuless heat energy) between one creature and its enemy. In general, 90% of total energy stored in...
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A chemical compound requires 8 ounces of Chemical A and 12 ounces of Chemical B. A mixture contains 24 ounces of Chemical A and 30 ounces of Chemical B. How can you fix the mixture to make the chemical compound?
Since 8x3=24 and since 12x3=36 you need to add 6oz of chemical B to have 24oz of chemical A and 36oz of chemical B. Take 1/3 of the total mixture...
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State the difference between a physical change and a chemical change, and list three indications that a chemical change has occurred. Which indication is most suggestive of a chemical reaction?
Physical changes are changes in the formation or state of molecules and atoms. The arrangement of the molecules and atoms is different after the change but the chemical composition of...
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A chemical reaction is a process that changes some chemical substances into others. What is involved in the process of forming these new chemical substances?
Chemical change is characterized by the formation of new substances, and the making and breaking of strong chemical bonds. Usually this is signalled by a colour change, though some few...
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