Blume Chapter 12.2
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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| Sponges have little in common with other animals- they probably "Blank" separately from all other animals | Evolved
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| Most sponges are asymmetrical and "blank" | sessile
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| A sponge body is a hollow "blank" with one opening at the top and many small pores along the body tube | tube
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| Sponges have no tissues, or organ systems; they often do have "blank" or "blank" for protection and support. | Spicules and Spongin
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| Sponges pull microscopic food particles and oxygen in through their "blank"; wastes are removed through the opening at the top of the sponge. | pores
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| Most sponges are "blank" that produce both sperm and eggs, though sponges can't fertilize their own eggs; sponges can also reproduce asexually by budding or regeneration. | Hermaphrodites
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| "Blank" are invertebrates that includes corals, sea anemones, jellyfish, hyrdas , and Portuguese man of wars | Cnidarians
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| Most cnidarians live in "blank" water; some live as individuals, while others live in colonies. | Salt
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| Most cnidarians have two body "blanks" | forms
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| The polyp is "blank" -shaped and sessile | vase
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| The "blank" is bell-shaped and free swimming | medusa
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| Cnidarians have one body opening and "blank" symmetry | radial
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| Two cell layers are arranged into "blank" ; a digestive cavity breaks down food | tissues
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| A "blank" net carries impulses and connects all organism parts | nerve
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| Most cnidarians have "blank" with stinging cells to help capture food | tentacles
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| Cnidarians are "blank" | predators
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| Cnidarians "blank" both sexually and asexually | reproduce
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| Cnidarians have existed more than 600 million years; most of their fossils are "blank" | corals
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| Coral reefs form as corals secrete their hard external "blank" on those of earlier generations | skeletons
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| Coral reefs are "blank" ecosystems that protect shorelines from erosion | diverse
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| Corals reefs provide "blank" such as shells, pearls, and chemicals for human medical uses. | resources
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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:
kcovington
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