Lesson 1, 2, 3, & 4
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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| Homeostasis | The condition in which an organism internal environment is kept stable in spite of changes in the external environment
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| Adaptation | An inherited behavior or physical characteristic that helps an organism survive and reproduce in its environment
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| Vertebrate | An animal with a backbone
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| Invertebrate | An animal without a backbone
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| Tissue | A group of similar cells that perform a specific function
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| Organ | A body structure that is composed of different kinds of tissues that work together
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| Radial Symmetry | A body plan in which any number of imaginary lines that all pass through a central point divide the animal into two mirror images
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| Bilateral Symmetry | A body plan in which a single imaginary line divides the body into left and right sides that are mirror images of each other
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| Cnidarian | A radially symmetrical invertebrates 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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| Arthropod | An invertebrate that has an external skeleton, a segmented body, and jointed appendages
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| Exoskeleton | 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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| Echinoderm | A radically symmetrical marine invertebrate that has an internal skeleton and a system of fluid-filled tubes
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| Endoskelelton | An internal skeleton; structural support system within the body of an animal
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| Chordate | An animal that has a notochord, a nerve cord, and throat pouches at some point in its life
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| Notochord | A flexible rod that supports a chordate's back just below the nerve cord
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| Vertebra | The bones that make up the backbone of an organism. In humans, one of 26 bones that make up the backbone
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| Ectotherm | An animal whose body temperature is determined by the temperature of its environment
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| Endotherm | An animal whose body temperature is regulated by the internal heat the animal produces
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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:
FDMcCormick
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