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 Origin  Evolution  Collar cells  Uses of collar cells.

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Presentation on theme: " Origin  Evolution  Collar cells  Uses of collar cells."— Presentation transcript:

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3  Origin  Evolution  Collar cells  Uses of collar cells

4  Diversity  Species #  Variety

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6  Kingdom  Phylum  They are mostly  # of cells  Body contains

7  Symmetry  Interior surface  Choanocyte

8  Beating  Create  Capture

9  Collar is made of  Why?

10  The food particles then  How?

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12  Efficient? Non-efficient?  Why? ▪ Lots of collar cells working together

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14  Made of?  Spicules –  Spongin –

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16 Fun fact: When you wash with natural sponges, this is the portion you wash/exfoliate with!

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19  Reproduce asexually  By? 2 months  Larva  Adults Budding Sexual Sponge Love SceneSponge Love Scene #2 Sponge Love Scene #1

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21 1. Asconoid  Def  Characteristics

22 2. Syconoid  Def  Characteristics

23 3. Leuconoid  Def  Characteristics

24  Kingdom:  Phylum:  Class Calcarea  Class Hexactinellida  Class Demospongiae

25  Spicules  Made of  Shape  Body types?

26  Spicules  Made of?  Description  Body types?  Often called?

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28  Spicules  Made of  Description  Body types?  Other characteristics

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31  Kingdom  Phylum  Examples:  Where do they live???

32  Symmetry  Head region?  Two basic types: 1. Name, def, examples 2. Name, def, examples

33  Polyp –  Lifestyle of polyps?  Body shape?  Mouth

34  Medusa –  Lifestyle?  Body shape?  Mouth

35  Body forms?  Reproduction  Polyp  Medusa

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37  Two layered body  Epidermis – ▪ Def ▪ Derived from?  Gastrodermis – ▪ Def ▪ Derived from? ▪ Lines the ▪ Main function

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39  Tentacles contain  Function  Characteristics  Nematocyst

40  Stinging cells  Contain  When do they uncoil?  Contain

41 Nematocyst Firing

42  Class Hydrozoa  Class Scyphozoa  Class Cubozoa  Class Anthozoa

43  Solitary  Colonial  Reproduce?  Where do they live?  Examples:

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45 Polyp Medusa

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47  Movement  Body form  Where do they live?  Organs?  Examples:

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50  Movement  Body form  Where do they live?  Characteristics?  Examples:

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53  Movement  Body form  Where do they live?  Examples:  Exist in three subclasses ▪ Subclass Hexacorallia ▪ Subclass Ceriantipatharia ▪ Subclass Octocoral

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57  Human Uses  Bioindicators: ▪ Sponges ▪ Filter ▪ Pollutants ▪ Corals: ▪ sensitive to  Help protect

58  Biomedical/Pharmaceutical industry 1.? 2.?  Consumer products 1.? 2.?

59  In the Environment  Form of  Many symbiotic relationships  Corals and Sponges ▪ The most abundant ▪ Base of ▪ May be used as ▪ Ex:

60  Other relationships  Cnidarians with (protists)— ▪ Form  Homes for ▪ use sponges as homes ▪ Coral reefs provide

61  Protection  Fish use (Ex: )  Coats itself with from sea anemone, ▪ Therefore the sea anemone does not ▪ Tentacles protect


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