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Echinoderms have a system of fluid-filled tubes called a(n) ____. a. closed circulatory system c. water vascular system b. open circulatory system d. tracheal system
Echinoderms have a system of fluid-filled tubes called a water vascular system.
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Asked 1/15/2015 10:47:08 AM
Updated 1/15/2015 11:04:32 AM
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Echinoderms have a system of fluid-filled tubes called a water vascular system.
Added 1/15/2015 11:04:32 AM
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Which of the following is a function of the radula in gastropods? a. helps with movement. b. remove oxygen from water. c. aids in breathing. d. helps gather food.
Weegy: Helps gather food is a function of the radula in gastropods. (More)
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Updated 1/15/2015 11:04:42 AM
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true or false A gastropod has two shells held together by hinges and strong muscles.
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Updated 8/6/2018 5:41:07 AM
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A gastropod has two shells held together by hinges and strong muscles. FALSE.
Added 8/6/2018 5:41:07 AM
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Confirmed by jeifunk [8/6/2018 6:52:30 AM]
A smaller version of an adult insect is called a ____. a. nymph. b. pupa. c. larva. d. egg.
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Updated 1/15/2015 11:00:23 AM
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A smaller version of an adult insect is called a: NYMPH.
Added 1/15/2015 11:00:23 AM
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Confirmed by Janet17 [1/15/2015 11:04:49 AM]
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