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Life is organized in a hierarchial fasion. Which one of the following sequences illustrates that hierachy as it increases in complexity |
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molecule,cell, tissue,organ, organ system, organism, population, community, and ecosystem |
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If you eat a hamburger, you are mainly eating ground-up beef muslce. What levels of organization are represented in this ground up muscle |
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____ is the ultimate source of energy flowing into nearly all ecosystems |
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Your instructor asks you to look into your microscope to see a prokaryotic cell. You will be looking for a cell that |
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Member of the kingdom animali are composed of cells and lack a ___ |
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A scientist examining a group of cells under a microscope notices the presence of nuclei w/in cells. Chemical test reveal that each cell is surrouned by a wall composed of cellulose. These cells must come from an organism that is a memberof the kingdom ____ |
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The role of a control in an experiment is to provide a basis of __________ to the _____ |
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comparison... experimental group. |
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You have designed an experiment to test the effect of water on the growth of bread mold. In this case, the presence of water represents the ____ |
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The swimming speed of Artemia increases at higher temperatures is an example of a ____ |
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____ is one in which outer shell electrons are shared by 2 atoms so as to fill the outer shells of both |
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In a water molecule, b/c oxygen is more electronegative than hydrogen, the shared electrons are more commonly found around the ____ nucleus than the ____ nucleus |
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If the pH of a solution is decreased from 7 -6 it means the concentration of H+ has increased ___ times what it was at ph7 |
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A ph of 4 is ____ times more ___ than a pH of 7 |
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A stalk of celery is placed in a solution of blue dye. After 1 hr, the leaves have blue fluid in their veins. Which property of water is being demonstrated? |
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It takes one calorie of heat to raise the temp of 1 gram of H20 10C at sea level. This is referred to ___ of water ` |
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Each of the following molecules is a polymer EXCEPT |
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