What is an animal? Lesson 3
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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| cnidarian | A radially symmetrical invertebrate that uses stinging cells to capture food and defend itself
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| mollusk | An invertebrate with a soft, unsegmented body; most are protected by a hard outer shell
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| athropod | An invertebrate that has an external skeleton, a segmented body, and jointed appendages
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| endoskeleton | External skeleton; a tough, waterproof outer covering that protects, supports, and helps prevent evaporation of water from the body of many invertebrates
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| enchinoderm | A radially symmetrical marine invertebrate that has an internal skeleton and a system of fluid filled tubes
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| exoskeleton | An internal skeleton; structural support system within the body of an animal
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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.
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.
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:
kdonnelly
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