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Porifera Quiz

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What is the main reason why animals in phylum Porifera are considered parazoans?

They do not show the formation of true embryonically derived tissues (correct)

They perform most of the physiological functions typical of more complex animals

They have a number of specific cell types

They have a rudimentary endoskeleton of spicules and spongin fibers

What type of organization do sponges exhibit?

Very simple organization (correct)

Complex organization with specialized tissues

Intermediate level of organization

Hierarchical organization with distinct organ systems

How are glass sponge cells connected together?

Via individual cell membranes

In a multinucleated syncytium (correct)

By forming a cellular network

Through specialized cell junctions

Porifera Quiz

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Questions and Answers

What is the main reason why animals in phylum Porifera are considered parazoans?

What type of organization do sponges exhibit?

How are glass sponge cells connected together?

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