ch 2 TAUTE
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| what is a cell? | the smallest unit that can perform all life processes; cells are covered by a membrane and have DNA and cytoplasm
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| what is stimulus? | anything that causes a reaction or change in an organism or any part of an organism
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| what is homeostasis? | the maintenance of a constant internal state in a changing environment
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| what is sexual reproduction? | reproduction in which the sex cells from two parents unite, producing offspring that share traits from both parents.
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| what is asexual reproduction? | reproduction that does not involve the union of sex cells and in which one parent produces offspring identical to itself
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| what is heredity? | the passing of genetic traits from parent to offspring
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| what is the sum of all chemical processes that occur in an organism? | metabolism
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| a producer is ________. | an organism that ca make its own food by using energy from its surroundings
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| ______ is an organism that eats other organisms or organic matter. | consumer
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| a _____ is an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients | decomposer
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| what is a protein? | a molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate processes in the body
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| a ________ is a class of energy-giving nutrients that includes sugars, starches, and fiber; contains carbon, hydrogen, oxygen | carbohydrate
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| simple carbohydrates are _________. | made up of one sugar molecule or a few sugar molecules linked together.
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| what are complex carbohydrates? | they are made up of hundreds of sugar molecules linked together.
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| a lipid is what? | a type of biochemical that does not dissolve in water; fats and steroids are lipids
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| what is a lipid that contains phosphorous and that is a structural component in cell membranes? | phospholipid
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| what is adenosine triphosphate? | ATP
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| ATP is what? | a molecule that acts as the main energy source for cell processes
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| a molecule made up of subunits called nucleotides | nucleic acid
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| what percent of the body is made up of water? | 70
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| how many days can the human body go without water? | 3
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| what is air made up of? | it is a mixture of several different gases, including oxygen and carbon dioxide
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| how do organisms on land get there air? | through oxygen
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| what is photosynthesis? | its when green organisms convert the energy in sunlight to energy stored in food
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| what do organisms need in their place to live? | they need to live in a place that contains all of the things that they need to survive
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| why do organisms normally compete for food, water, and other necessities? | because space on earth is so limited
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| why do all living things need food? | because food gives organisms energy and the raw materials needed to carry on life processes
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| all living things grow and _____. | develop
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| what is your bodys normal temperature? | 37 degrees C
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| how does your body respond when it is hot to cool it down? | it sweats
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| how does your body warm itself up when it is cold? | by shivering
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
staute
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