What is life?
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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cell | The basic unit of structure and function in living things.
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organism | a living thing
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unicellular | Single-celled organisms, like bacteria.
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Multicellular | organisms that are composed with many cells.
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Metabolism | The combination of chemical reactions through which an organism builds up or breaks down materials.
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Stimulus | A change in an organisms surroundings that causes the organism to react.
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response | An action or a change in behavior.
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development | The process of change that occurs during an organism's life.
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asexual reproduction | one parent produces offspring that are identical to the parent.
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sexual reproduction | two parents combines their genetic material to produce a new organism that differs from both parents.
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spontaneous generation | Living things can arise from nonliving sources.
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controlled experiment | A scientist carries out a series of tests that are identical in every respect except for one factor.
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autograph | organism's make their own food.
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heterotroph | organisms that can not make their own food.
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homeostasis | The maintenance of stable internal conditions.
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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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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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