Life Sci - Chap 15
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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| invertebrate | animal that does not have a backbone
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| ganglion | mass of nerve cells
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| gut | digestive tract
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| coelem | body cavity that contains the internal organs
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| open circulatory system | circulatory system where the circulatory fluid is not contained entirely within the vessels; heart pumps fluid through vessels that emprty into places called sinuses
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| closed circulatory system | circulatory system where the heart circulates blood through a network of vessels that form a closed loop; blood doesn't leave the blood vessels; and materials diffuse across the walls of the vessels.
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| segment | any part of a larger structure, such as the body of an organism, that is set off by natural or arbitrary boundaries
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| exoskeleton | a hard, external support structure
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| compound eye | eye composed of many light detectors
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| antenna | feeler that is on the head of an invertebrate and that senses touch, taste or smell
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| metamorphosis | phase in the life cycle of many animals during which a rapid change from the immature form of an organism to the adult form takes place
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| endoskeleton | internal skeleton made of bone and cartilage
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| water vascular system | system of canals filled with a watery fluid that circulates throughout the body of an echinoderm
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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:
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