Why do organisms need food
[DOCX File]How Biological Organisms Use Energy
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Food provides animals with the materials they need for body repair and growth and is digested to release the energy they need to maintain body warmth and for motion. Plants acquire their material for growth chiefly from air and water and process matter they have formed to maintain their internal conditions (e.g., at night).
[DOC File]The Omnivore’s Dilemma
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Why does an adult who is not growing need to eat food? Your body’s cells need a constant supply of energy for cellular processes like muscle contraction and synthesizing molecules. To supply energy for cellular processes, your body uses a multi-step process. First, your food is digested to small organic molecules like glucose which travel in ...
Why do organisms need food? - Sarthaks eConnect | Largest Onlin…
Why do organisms need food? For _____! Productivity . Productivity . The amount of _____ an ecosystem can generate from producers . Producers get energy from the _____ Net Productivity: Most important energy measurement. Energy that is _____ as food for consumers in the food …
[DOCX File]ACTIVITY 6-Characteristics of life
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How Do Biological Organisms Use Energy? Dr. Ingrid Waldron, University of Pennsylvania, 2011. The Importance of ATP. All organisms use a two-step process to provide the energy needed for most of their biological activities: First, chemical energy from organic molecules like glucose is used to make ATP. This process is called cellular respiration.
LS1.C: Organization for Matter and Energy Flow in Organisms
What do organisms do with any extra energy they consume but don’t use right away? Why do Food Webs only point in one direction? 10) In a healthy ecosystem, why will producers always outnumber consumers? An important principle in all ecosystems is the amount of available energy verses the demands of the consumers present in the area.
[DOC File]Ecology - Mr. Burrell's 8th Grade Science Class - Home
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Why do all organisms need ATP? All organisms need ATP to provide the potential chemical energy that powers the chemical reactions that occur in their cells. 2. What are the three general ways to generate ATP from food, and which organisms use each pathway? The three general pathways are aerobic respiration, anaerobic respiration, and ...
[DOC File]How is pH Important to Living Organisms
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Why do organisms need energy? How do organisms manage their energy needs? Energy and thermodynamics. Living organisms require . energy. to do . work, any change in state or motion of matter. energy can be expressed in units of work (kJ) or heat energy (kcal); 1 kcal = 4.184 kJ. energy can change forms (energy conversion) organisms carry out ...
[DOC File]How Biological Organisms Use Energy
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Why do plants and all living organisms need nitrogen? _____ _____ Plants and Nitrogen. Animal Manure as Fertilizer Chemical Fertilizer Benefits Negative impacts Fossil fuel energy used to produce 1 calorie of food Analyze: Which system do you think is best, why? How do chemical fertilizers change the ecology of a farm?
[DOC File]Answers to Mastering Concepts Questions
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The main acid that stomachs use to digest and dissolve food is hydrochloric acid (HCl). This acid is strong enough to dissolve zinc metal. Fortunately for us, the cells in the stomach lining renew themselves so quickly that the stomach acids do not have enough time to dissolve or eat through the stomach lining.
Dallastown Area School District
Living things need food. Food provides energy and building material to create more living mass. Living things must be able to break down food in order to obtain energy to carry out their activities. When food is broken down in a process called cell respiration, carbon dioxide is made and released. The process of cell respiration occurs in every ...
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