Porifera and Cnideria Video Lessons

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Problem: Which one of the following characteristics is found in cnidarians?a. organsb. respiratory systemc. blood vesselsd. specialized internal cavitye. nervous system

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Which one of the following characteristics is found in cnidarians?

a. organs

b. respiratory system

c. blood vessels

d. specialized internal cavity

e. nervous system

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All Biology Practice Problems Porifera and Cnideria Practice Problems
Q.Which of the following have a one-way digestive system?a. ctenophoransb. flukesc. tapewormsd. free living flatwormse. cnidarians
Q.The planulae of _______________ develop only into polypsa. Hydrozoab. Ctenophorac. Scyphozoad. Cnidariae. Anthozoa
Q.Water taken in through the pores in sponges exits through thea. mesogleab. spiculesc. osculumd. gastrovascular cavitye. coelenteron
Q.Which of the following is not a characteristic found in cnidarians?a. tissuesb. symmetryc. sexual reproductiond. asexual reproductione. organs
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