Science Clues for Evolution
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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| Preserved animal or plant or stone remains. | Fossils ex. Minerals can replace a piece of wood to create petrified wood, a type of fossil.
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| Body parts that are similar in origin and structure. | Homologous Structures ex. A human arm and a frog foreleg are very similar-so similar that they must have shared an ancestor. The arm and foreleg are Homologous structures.
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| Structures that don't have a function but are still there. | Vestigial Structures ex. Manatees, snakes, and whales don't have back legs, but they still have pelvic bones, like all animals with back legs. The pelvic bones have no discernible function, so they are vestigial structures.
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| The study of embryos and their development. | Embryology ex. At some point in their development, fish embryos, chicken embryos, and rabbit embryos are mostly the same, with a tail and pharyngeal pouches.
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| Similar _______ can show evolution. | DNA ex. Scientists compare DNA from living organisms to see if the DNA is similar, and if it is, then the organisms are most likely related.
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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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Created by:
ellie213
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