Ocean Biology

1 of 25 Which of the following cell structures of a sponge do not match its function? Collar cells — calcareous structures for support Osculum — opening through which water leaves Pore cells — opening through which water enters Spongin — fibers for support Gametes — reproduction Question 2 of 25 Sponges and all filter…

BIO145Marine Biology Lesson 4 Quiz 1 of 25 Which of the following is not true of decay bacteria? They break down waste products and dead organic matter. They carry out photosynthesis. They are heterotrophs. They are particularly abundant in bottom sediments. They ensure the recycling of essential nutrients. Question 2 of 25 Cyanobacteria are characterized…