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Standard 2: Invertebrates Ms. Darlak
Warm-up 04/28 Match the “FIRST” with the correct Phylum.
1. First one way digestive system
2. First Heart3. First “Hunters”4. First “Animals”5. First to move 6. First visceral mass
A. Phylum AnnelidaB. Phylum MolluscaC. Phylum
PlatyhelmithesD. Phylum NematodaE. Phylum PoriferaF. Phylum Cnidaria
Agenda Today :
Echinodermata p.22Shape of Life: The Ultimate Animal
This Week:Tuesday- Computer Lab Wednesday- Presentations & Review Thursday- QUIZ 2 QUIZ 2 & PresentationsFriday- Presentations and Review
Article Reviews Due Monday 05/05- Standard 2 TestMonday 05/05- Standard 2 Test
Echinodermata: “ Spiny Skinned”Sea Stars, Sea Lillies, Sea Urchins p.22
Phylum EchinodermataSymmetry
Adults have pentaradial symmetry Larvae are bilaterally symmetrical
Internal skeleton made of calcium plates
Special Fluid filled System (water vascular system)
Phylum EchinodermataEndoskeleton : calcium-rich endoskeleton
composed of plates called ossiclesFive-Part Radial Symmetry : larvae are
bilateral, as grow into adults, develop pentaradial symmetry
Phylum EchinodermataWater-vascular System : a water filled
system of interconnected canals of tiny hollow tube feet.Tube Feet act as tiny legs used to move, grip
and manipulateWalls of tube feet also used for gas exchange
and waste excretion
Phylum EchinodermataCirculation & Respiration: Body cavity, or
coelom, functions as a simple circulatory and respiratory system
Phylum EchinodermataClass Asteroidea-
Sea Stars NOT STAR FISH
Phylum EchinodermataClass Echinoidea-
Sea Urchins, Sand Dollars
Phylum EchinodermataClass Ophiuridae –
Brittle starsBasket Stars
Phylum EchinodermataClass Crinoidea
Feather StarsSea Lillies
Phylum EchinodermataClass Holothuroidea
Sea Cucumber
The Shape of life: “Ultimate Animals”What are the common names of 4 major echinoderms?How do sea stars walk and grab?What is the term that describes how an animal grows new
replacement for lost body parts?How are cnidarians and echinoderms similar?How do sea stars feed on mussels?What two structures are scattered between the spines of sea
stars?How can you investigate animals that don’t seem to move?How does a water-vascular system work?How can a sea star be flexible and then suddenly become rigid as
a rock?Advantages and disadvantages of extrusible stomach?What are the benefits of being headless and not bilateral?
Warm-up 04/29List the EightPhyla we have covered and one
UNIQUE characteristic of each.Porifera- filter feeders, asymmetrical, specialized
cellsCnidaria- stinging cells, radial symmetry, first to
movePlatyhelminthes- move with intent, bilateral
symmetry, first hunters, hermaphroditesNematoda- one way digestion, separate sexesAnnelida- first circulatory system, bilateral, first
central nervous systemMollusca- first visceral mass, foot, mantle, Arthropoda- segmented legs and body, exoskeleton Echinodermata- pentaradial, only found in ocean
Agenda 04/29GreetersComputer Lab A
Reminders:Presentations Wednesday, Thursday, FridayArticle Reviews Due FridayQuiz 2 ThursdayQuiz 2 ThursdayStandard 2 Monday 05/05Standard 2 Monday 05/05
Warm-up 04/30Name the eight Phyla and an example of
each.Porifera – glass sponge, demospongeCnideria- jellyfish, anemone, coralPlatyhelminthes- flatworms, tapewormsNematoda- roundworms, pinwormAnnelida- earthworms, leeches Mollusca- clams, octopus, snail, slugsArthropoda- insects, crab, spiderEchinodermata- sea stars, urchins, sea cucumbers
Agenda 04/30GreeterPresentationsPhylum Comparison Chart
Reminders:Quiz 2 (Annelida – Echinodermata) ThursdayJournal Article Review Due FridayStandard 2 Monday
Wednesday PresentationsPeriod 1
1. Loo2. Johana3. Ryleigh4. Eric 5. 6. 7.
Period 21. Darian2. Micayla3. Meghan 4. 5. 6. 7.
Phylum Comparison ChartsCut out all the characteristicsPlace in columns under Phylum and
glueAdd a Column for NematodesPhylum Chordata = vertebrates
Warm-up 05/01What phylum and what are the 3
classes?Phylum Molluska
• Cephalopoda
• Bivalvia
• Gastropoda
Agenda 05/01Quiz 2PresentationsPhyla Comparison Chart
Reminders:Journal Article Review Due FridayStandard 2 Monday
Friday PresentationsPeriod 1
1. Alex 2. Jordan3. Teddy4. Joseph5.
Period 21. Darian2. Alec 3. Micayla4. Meghan 5. Alyssa 6. Kory7. Keirsten8. Mary Jane
Phylum Comparison ChartsCut out all the characteristicsPlace in columns under Phylum and
glueAdd a Column for Nematodes
Warm-up 05/02What Phylum do these belong to?
What is an unique characteristic of this phylum?
ArthropodaArthropodaExtra Credit: Extra Credit: Subphylum HexapodaSubphylum Hexapoda
Exoskeleton, segmented Exoskeleton, segmented with jointed legs, molt to with jointed legs, molt to growgrow
Agenda 05/02GreetersPresentationsQuiz BackComparison ChartArticle Reviews Due Today!
Standard 2 MONDAYStandard 2 MONDAY
Phylum Comparison ChartsCut out all the characteristicsPlace in columns under Phylum and
glueAdd a Column for Nematodes