life science chapter 5
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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| Species | A group of similar organisms that can mate and reproduce fertile offspring.
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| Adaption | A trait that helps an organism survive and reproduce.
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| Evolution | The gradual change in species over time.
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| Scientific Theory | A well-tested concept that explains a wide range of observations.
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| Artifical Selection | Man-made reproductions to get the offspring to your needs.
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| Natural Selection | Nature lets species reproduce over time....4 step process.
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| Overproduction | Most species produce far more offspring than can possibly survive.
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| Competition | The offspring fight to survive.
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| Variation | Any difference between individuals of the same species.
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| Selection | Mother nature decides who lives and who dies.
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| Geologic Isolation | The littlest scale...happens by a mountain chain.
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| Continental Drift | The movement of the Earth's continents relative to each other.
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| Fossil | The preserved remains or traces of an organism that lived in the past.
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| Sedimentary Rock | The type of rock that only preserves fossils.
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| Petrified Fossil | Minerals that replace bones over time.
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| Cast & Mold | Type of petrified fossil that comes in pairs.
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| Preserved Remains | A fossil that still has organic materials.
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| Extinct | A whole species that dies out.
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| Relative Dating | Using common knowledge to find out the age of a fossil.
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| Abosolute Dating | Finding the exact age of a fossil.
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| Fossil Record | A book/catalog of every fossil ever dug up.
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| Geologic Time Scale | A time line of every species on Earth.
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| Gradualism | Evolution appears slowly but steadily.
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| Punctuated Equilibria | Evolution that occurs short periods of nothing but all of a sudden a big change.
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| Branching Tree | A diagram that shows the realtionship between organisms.
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| Embryo | Any organism before it hatches, is born, or germinates.
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| Homologous Structures | Body parts that are structuraly similar in related species.
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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.
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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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