Sponges and Cnidarians

Question 1

Which structure of a sponge filters and digests food?

Revolt · Accepted Answer

collar cells

Question 2

Question 2

Revolt · Accepted Answer

budding

Question 3

What is the function of spicules in sponges?

Revolt · Accepted Answer

They provide protection from predators.

Question 4

Use the drop-down menus to complete the sentence. The image shows a type of reproduction called .

Revolt · Accepted Answer

asexual; Selection 1: asexual; Selection 2: budding

Question 5

Which structure is found on the tentacles of cnidarians and is used for protection and prey capture?

Revolt · Accepted Answer

stinging cells

Question 6

Which type of cnidarian is made up of as many as 1,000 polyps that work together to function as a single organism?

Revolt · Accepted Answer

a Portuguese man-of-war

Question 7

Which type of cnidarian is found commonly in both salt water and fresh water?

Revolt · Accepted Answer

hydras

Question 8

Which cnidarian is pictured in the medusa form?

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/8302/8302-07/8302-07-02/8302-07-02-20/8302-07-02-20-09/8302-07-02-20-09-image3.png

Question 9

Which statements accurately describe polyps? Check all that apply.They are vase shaped.They are free swimming.They have a hollow central cavity.Their tentacles trail down from their mouth.They reproduce in two stages.

Revolt · Accepted Answer

They are vase shaped.; They have a hollow central cavity.

Question 10

Which cnidarians are most likely to reproduce in two stages? Check all that apply.

Revolt · Accepted Answer

jellyfish; the Portuguese man-of-war

Sponges and Cnidarians Answers

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