Marine OrganismsMarine Organisms

Representative PhylaRepresentative Phyla

How Would You Group These How Would You Group These Organisms?Organisms?

• How have we classified organisms in the How have we classified organisms in the past?past?

• How is classification used in your day to How is classification used in your day to day experiences?day experiences?

• Why do you think classification is Why do you think classification is important to scientists?important to scientists?

• What were some common questions you What were some common questions you asked yourselves as you tried to group asked yourselves as you tried to group the organisms?the organisms?

Classification of living thingsClassification of living things

• Organisms can Organisms can be classified be classified into one of into one of three domains three domains of life:of life:– ArchaeaArchaea– BacteriaBacteria– EukaryaEukarya

Figure 12-1

Classification of marine Classification of marine organismsorganisms• Marine organisms can be generally Marine organisms can be generally

classified into one of three groups classified into one of three groups based on habitat and mobility:based on habitat and mobility:

1.1. Plankton (floaters)Plankton (floaters)• Phytoplankton (drifting plants and algae)Phytoplankton (drifting plants and algae)• Zooplankton (drifting animals)Zooplankton (drifting animals)

2.2. Nekton (swimmers)Nekton (swimmers)3.3. Benthos (bottom dwellers)Benthos (bottom dwellers)

Classification of living thingsClassification of living things• Classification includes the following Classification includes the following

increasingly specific groupings:increasingly specific groupings:– Kingdom (most general)Kingdom (most general)– Phylum Phylum – ClassClass– OrderOrder– FamilyFamily– GenusGenus– Species (most specific)Species (most specific)

Representative Marine Representative Marine Phyla:Phyla:• Phylum PoriferaPhylum Porifera

• Phylum CnidariaPhylum Cnidaria

• Phylum MolluscaPhylum Mollusca

• Phylum AnnelidaPhylum Annelida

• Phylum ArthropodaPhylum Arthropoda

• Phylum EchinodermataPhylum Echinodermata

• Phylum ChordataPhylum Chordata

Phylum Porifera: SpongesPhylum Porifera: Sponges

Phylum Cnidaria: Sea Anemones, Phylum Cnidaria: Sea Anemones, CoralsCorals

Phylum MolluscaPhylum Mollusca

Phylum AnnelidaPhylum Annelida

Phylum ArthropodaPhylum Arthropoda

Phylum EchinodermataPhylum Echinodermata

Your Task TodayYour Task Today

• Determine what Class of organism you and Determine what Class of organism you and your partner (or group) will be modeling your partner (or group) will be modeling

• Start the general research for your project Start the general research for your project as a groupas a group

• Our goal is to be finished with Our goal is to be finished with presentations by the end of the six weeks!presentations by the end of the six weeks!

• That is about 2 weeks (1 week to research That is about 2 weeks (1 week to research and 1 week to construct) and 1 week to construct)

• You will be responsible for using materials You will be responsible for using materials in a resourceful and creative method in a resourceful and creative method

A4 Sign UpsA4 Sign Ups• Asia: Phylum – Echinodermata Emily and Evan: Slate Asia: Phylum – Echinodermata Emily and Evan: Slate

Pencil Urchin. Nadia and Claire: Johnson’s Sea Pencil Urchin. Nadia and Claire: Johnson’s Sea Cucumber.Cucumber.

• Europe: Cnidaria Chiara and Harrison: pink hearted Europe: Cnidaria Chiara and Harrison: pink hearted hydroid. Cristina and elyshia: Magnificent sea anemonehydroid. Cristina and elyshia: Magnificent sea anemone

• Antarctica: Annelida Sam and George: Ribbon Worm. Antarctica: Annelida Sam and George: Ribbon Worm. Emma and Neha: Flat Worm ( We are making a ribbon Emma and Neha: Flat Worm ( We are making a ribbon worm) worm)

• S.America: Chordata Jenny & Ramona(beluga whale) S.America: Chordata Jenny & Ramona(beluga whale) Colby and Eva (Lionfish)Colby and Eva (Lionfish)

• Australia: Mollusca Maddie and James (Vampire Squid) Australia: Mollusca Maddie and James (Vampire Squid) Gwyneth and Elizabeth (Blue ringed octopus) Gwyneth and Elizabeth (Blue ringed octopus)

• Africa: Arthropoda- Sofia and Andrew: Fiddler crab, Africa: Arthropoda- Sofia and Andrew: Fiddler crab, Swati and Mia: Western Horseshoe crab. Swati and Mia: Western Horseshoe crab.

• Africa: Porifera Noah & Andrew Isabel: red beard Sponge Africa: Porifera Noah & Andrew Isabel: red beard Sponge & Glass Sponge& Glass Sponge

• Australia: Chordata Liv & Deepa: Shark, Aaron & Andrew: Australia: Chordata Liv & Deepa: Shark, Aaron & Andrew: DolphinDolphin

• Europe: Chordata Caleb and Max: Green Sea Turtle Vada Europe: Chordata Caleb and Max: Green Sea Turtle Vada and Isabelle S: Manateeand Isabelle S: Manatee

• Asia: Echinodermata Smith and Annabelle- Sea Urchin, Asia: Echinodermata Smith and Annabelle- Sea Urchin, Hayden and Aaron- Sea StarHayden and Aaron- Sea Star

• South America: Mollusca: Kathryn: Blue ringed Octopus, South America: Mollusca: Kathryn: Blue ringed Octopus, Gustavo: chambered nautilusGustavo: chambered nautilus

• Asia: Echinodermata: Aaron and Haden: starfish Asia: Echinodermata: Aaron and Haden: starfish Annabelle and , sea urchinAnnabelle and , sea urchin