Cubangbang's 7thB Ch.23 Natural Resources Stack #129283
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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| euthanasia | the killing of people who are old or very sick.
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| Populatin decrease | if the death rate increases or if the birthrate decreases
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| Population increase | if the birthrate increases or if the deathrate decreases
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| Crop rotation | a method of farming in which a farmer changes the kinds of crops he grows in a particular field every year or 2
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| Legumes | bacteria living in the roots
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| Fertilizer | a substance that contains the nutrients needed by plants
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| Birthrate | the rate at which members enter a population
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| Deathrate | the rate at which members leave a population
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| Endangered species | a species that may soon become extinct if man does not take care of it
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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:
jcubangbang
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