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Collar cell Ostium Osculum Spicule ? What happens at the osculum?

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Presentation on theme: "Collar cell Ostium Osculum Spicule ? What happens at the osculum?"— Presentation transcript:

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3 Collar cell Ostium Osculum Spicule ?

4 What happens at the osculum?

5 True or False? Amoebocytes digest food for a sponge.

6 What does the phylum name “Porifera” mean?

7 What is B? C B A D

8 What is the atrium?

9 True or False? Sponges can reproduce both sexually and asexually.

10 A choanocyte is also called a …

11 Collar cell Ostium Osculum Spicule ?

12 What does a collar cell do for a sponge?

13 True or False? Sponges obtain their energy through photosynthesis.

14 How do sponges feed?

15 What is A? C B A D

16 How do sponges reproduce?

17 True or False? Sponges were the first animal.

18 What do function do spicules have in sponges?

19 What is C? C B A D

20 What do sponges eat?

21 True or False? Sponges have complex tissues and organs.

22 Which of the following is the class of glass sponges? –A. Hexactinellida –B. Calcarea –C. Demospongiae

23 How do sponges create water flow through their body?

24 Collar cell Ostium Osculum Spicule Body Wall ?

25 What is symmetry? Do sponges have it?

26 True or False? Fertilization of a sponge egg is internal.

27 Where does water enter a sponge?

28 Where does water exit a sponge?

29 True or False? When organisms reproduce asexually they create genetically identical offspring.

30 What happens at the ostium?

31 What is D? C B A D

32 What does the word “sessile” mean?

33 True or False? Sponges are hermaphroditic.

34 What is the empty cavity inside of a sponge called?

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36 Collar cell Ostium Osculum Spicule ?

37 True or False? There are no species of sponge that can live in fresh water.

38 How do sponges get rid of waste they produce and the oxygen they need?


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