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Marine Biology- 9/9/2013. Welcome Back!!! You have been given a card with an animals name on it. Please find the animal and sit at the seat that it is in front of. First-I will be taking attendance and getting to know you. Then-We will be learning facts about each one of your animals.
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Marine Biology- 9/9/2013 • Welcome Back!!! • You have been given a card with an animals name on it. • Please find the animal and sit at the seat that it is in front of. • First-I will be taking attendance and getting to know you. • Then-We will be learning facts about each one of your animals.
Mouth of the sand dollar Sand Dollar • Echinoderm • Radial Symmetry • Related to sea stars • covered by a skin of velvet-textured spines; small hairs-cilia Movement through sand and the trial behind it Bottom view
Sea Star • Echinoderms-radial symmetry • Not a fish not a Starfish • No gills or backbone • 5 to many arms-lose them -regeneration Eating a sand dollar
Cuttle Fish • Phylum: Mollusca • Class: Cephalopod ( head foot) • Not a fish • 8 arms & 2 tentacles-grab prey with • Large brain to body size • Largest 23 pounds
Squid • Phylum: Mollusca • Class: Cephalopod • 8 arms & 2 tentacles • 3 hearts • Calmari-Yum!
Octopus • Phylum: Mollusca • Class: Cephalopod • Bilateral symmetry • 2 eyes & 8 arms Octopus moving between tide pools during low tide
Abalone • Gastropod- stomach foot • Sea Snail / Slug • Used for jewelry • Mother of pearl • Respiratory pores – holes on top of shell for venting water from the gills and releasing sperm & eggs
Scallop • Marine bivalve mollusk • Filter feeder-plankton • Eat the muscle-adductor • Shell see where it was attached Leaves a scar. *Bivalve means –between 2 shells * State shell of NY
Nautilus • Cephalopod • Shell divided into chambers • Jet propulsion • Allows for growing • “Living Fossil”- mostly unchanged evolutionarily Eye
Whelk egg case • Small baby whelks • Shell grows with them
Whelk • Gastropod mollusk • Sea Snail sold as a delicacy
Conch • Phylum: Mollusca • Class: Gastropod • Sea Snail • Musical instrument for natives • /Decoration
Fossil Clam • Bivalve Mollusk • Pressure & Layers= Fossil • Suggests area was once covered By water. Fossil of clam- World’s largest – 187 cm
Krill • Shrimp-like crustacean • Eaten by whales, seals, penguins, squid, etc. • Eats plankton Humpback whales feeding on krill
Crab • Crustacean • Decapod (10 legs) • Males –larger claws • Molts exoskeleton Male-top –Female Bottom
Baby ear • Found in the Carolinas • Small univalve
Angel Wing • 5-7 inch mussel • Usually white and very fragile • Burrows in sediment
Razor Clam • Large bivalve mollusk • Powerful foot to burrow into the sand • Very sensitive to salinity & temperature
Crab Leg • Covered in an exoskeleton- Can regenerate • Used for ripping and tearing prey • Gills and cartilage are at the base of each walking leg
Brain Coral • Phylum: Cnidarian • Fissures of a brain • Hard skeleton of calcium carbonate • Can live up to 900 yrs old Black band disease on a brain coral
Plate Coral • Flat corals • Colonial
Bird’s Nest Coral • SPS – small polyp stony • Calcium skeleton –composed of a series of pores
Moon Snail • Gastropod Mollusk • Large predatory sea snail will eat even other moon snails * Catches prey, drills a hole through the shell and will use their proboscis (tubular mouthpart) to eat
Sea Urchin • Echinoderm (related to sea star) • Eats algae • Tiny tube feet move the urchin • Spines on top of a shell
Barnacles • Arthropod - related to Crabs & Lobsters • Sessile (non- motile) Barnacles and Limpets compete for space
Horseshoe Crab • Blood used for immunity (detects certain bacteria) • No hemoglobin in blood (blue) • Arthropod -Related to spiders and scorpions not crabs • Living Fossil
Keyhole Limpet • Gastropod mollusk • Foot to move around • Hole on top of the shell
Sponge • Porifera – “pore bearer” • Filter feeder – has holes for water to travel through • Hard to digest. • Harvested for bath use.
Oyster • Bivalve molluscs • Pearls are sacs as a result of an infection • Cement used in dentistry. Oyster reef – off South Carolina
Hermit Crab • Decapod Crustacean • Changes shells -Pick shells based on size Hermit Crab hiding in it’s shell No shell- very vulnerable
Sea Jelly • Phylum: Cnidaria • No longer called “Jellyfish” • Stinging Tentacles Pacific Sea Nettle Moon Jelly Flower Hat Jelly Lion’s mane
Lobster • Crustaceans and is a decapod (10 legs) • Live in burrows or crevices on sea floor