Porifera, Cnidarian, Annelida, and Mollusca Phyla Flashcards

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1
Q

has both polyp and medusa phases

A

cnidarian

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2
Q

stinging cells

A

nemotocysts

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3
Q

skeleton providing support for sponges

A

spicules

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4
Q

processing both male and female gametes

A

hemaphodites

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5
Q

cnidarian colony of specialized polyps with powerful stings

A

man-of-war

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6
Q

closed circulatory system

A

annelida, cephalopoda

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7
Q

open circulatory system

A

mollusca

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8
Q

classifies annelids

A

number of setae, parapodia

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9
Q

flat body with anterior and posterior suckers

A

leech

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10
Q

squid and octopus use for rapid changing of colors

A

chromatophores

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11
Q

most complex nervous system with incredible memory

A

octopus

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12
Q

8 flattened, flexible, overlapping plates

A

chinton

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