Mod. D Unit 1 Lesson 3 Evidence of Common Ancestry
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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| Evolution | is the process of biological change by which populations become different from their ancestors over many generations.
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| Bilateral Symmetry | arrangement of an organism or part of an organism along a central axis, so that the organism or part can be divided into two equal halves.
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| Radial Symmetry | a basic body plan in which the organism can be divided into similar halves by passing a plane at any angle along a central axis, characteristic of sessile and bottom-dwelling animals, as the sea anemone and starfish.
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| Asymmetrical Symmetry | has two sides that don't match — it's uneven or out of whack.
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| Common Ancestor | the idea that all organisms share a common ancestral species from which they evolved at some point in the past.
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| Anatomy | of an organism is its body structure and its structural traits.
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| Embryo | an unborn or unhatched offspring in the process of development.
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| Embryology | The study of the development of unborn or unhatched organisms.
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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.
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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:
howellr
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