8th grade mr. Hardy
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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Cenozoic era | Era of recent life that began about 66 million years ago and continues today includes the first appearance of Homo sapiens
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Cyanobacteria | Chlorophyll containing photosynthetic bacteria thought to be one of earths earliest life forms
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Mesozoic era | Middle era of earths history during which Pangea broke apart dinosaur appeared and reptile and gymnosperms were the dominant land life forms
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Paleozoic era | Era of ancient life which begins about 544 million years ago when organisms developed hard parts and ended with mass extinctions about 254 million years
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Precambrian time | Longest part of earths history lasting from 4 billion years ago
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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:
asimien907
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