Blume Ch. 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 probably _____ separately from all other animals. | Evolved
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| What is a sponges body? | Hollow tube
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| What do sponges often have? | Spicules, or Spongin
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| What do sponges use to get food? | Pores
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| What are sponges? | Hermaphrodites
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| Are Cnidarians vertebrates or invertebrates? | Invertebrates
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| What type or water do Cnidarians live in? | Salt Water
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| Most Cnidarians have two what? | Body forms
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| What shape is a polyp? | Vase shape
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| What shape is a medusa? | Bell-shaped
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| How many body openings does a Cnidarian have? | One
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| What does a digestive cavity do? | Break down food
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| What does a nerve net do? | Carries impulses and connects all organism parts
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| Most Cnidarians have ______ with stinging cells to help capture food | Tentacles
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| What are Cnidarians? | Predators
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| Cnidarians can _______ sexually and asexually | Reproduce
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| What are most Cnidarians fossiles? | Corals
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| How do coral reefs form? | Corals secrete their hard external skeletons on those of earlier generations
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| Coral reefs are _____ ecosystems. | Diverse
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| Shells, pearls, and chemicals for human medical uses are all _______ that coral reefs provide. | 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:
cmittens
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