BIO 182 Test 4 Terms
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each of the black spaces below before clicking
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| Phylum Mollusca Pro V.S Con | Soft body animals with Coelomate Invertebrates.
Pro- Great food source (Humans eat them)
Con- They are host to parasites
They have-
Visceral Mass
Complete Digestive system
Open Circulatory System
Mantle
Radula
Nerve Cord
Foot
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| Mantle Who has them and what is it? | Produces the shell (outer shell)
Snails have mantles
If no shell is produce then the mantle become the lungs
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| Radula Who has them and what is it? | Used for feeding.Scrapes algae into the mouth.
Phylum Mollusca
Tongue with teeth
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| Visceral Mass | All internal organs are within
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| Polyplacophora | Ploy- Many
Placo- Plate
Phora- Have
Chiton have 8 plates on shell
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| Gastropoda | Gastro- Stomach
Poda- One foot
Snails and Slugs
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| Difference between Snails and Slugs | Snails have shell
Snails use torsion (turns 180 degrees and poops on its head)
Snails have one foot
Slugs have no shells
Slugs are poisonous (Not produce poison but eats animals with poison then uses that for protection when eaten or threatened)
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| Bivalvia | Bi- Two
Valvia- Valves
Scallops
Have two openings
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| Excurrent Siphon | Out comes the water
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| Incurrent Siphon | Water flows in for clean water
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| Cephalopoda | Octopuses and Squids
Closed circulatory System
Advanced Brains
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| Phylum Annelida | They have segmented bodies. They have rings like earthworms.
They have-
Complete digestive system
Blood Vessels
Closed circulatory system (Blood won't mix with body fluids)
Nerve Cords (Advanced nervous system)
Have Brains
Nephridium Human kidney
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| Polychaeta | Have many Setae=Chetae=Brisltes
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| Oligochaeta | Have few Setae=Chetae=Bristles
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| Hirudinea | Blood Sucking Parasites (Leeches)
They have anit-Coagulate chemical called Hirudin
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| 3 types of Annelida Class | Polychaeta
Oligochaeta
Hirudinea
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| Phylum Arthropoda | The most successful phylum on earth
Arthro- Jointed
Poda- Legs
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| Arthropoda | Complete digestive system
Exoskeloton
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| What is Exoskeloton | Rigid External Skeloton
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| Exoskeloton Advantages | 1. All muscles are attached
2.Prevenst water loss
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| Exoskeloton Draw backs | 1. Exoskeloton are heavy
2. In order to grow they must shed. They grow in stages
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| Molted | Is when the Arthropoda out grows its exoskeloton
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| Name the 3 parts of the arthropoda body | 1. Head
2. Thorax
3. Abdomen
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| What is the head and the thorax combined called? | Cephalathorax
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| Compound Eyes | Composed of several units called ommatidia
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| Ocelli | Simple eyes: can tell if it's dark or light
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| Phylum Arthropoda: Circulatory System | One dorsal vessel: main vessel from head to abdomen
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| Phylum Arthropoda: Ventral Nerve Chord | Nervous System: in front of the body
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| Phylum Arthropoda: malpighian tubules | Liver
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| Phylum Arthropoda: Respiratory System | Spiracles: air intake: holes on the side of the abdomen
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| Name 4 groups of Arthropoda | 1. Chelicerata
2. Myriapods
3. Hexapods
4. Crustaceans
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| What animals fall in Chelicerata? | Spiders, crabs, scorpians
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| What animals fall in Myriapods? | Centipedes, and millipedes
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| What animals fall in Hexapods? | 6 legs, insects, and relative
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| What animals fall in Crustaceans? | Crabs, lobsters
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| Phylum Arthropoda: Subphylum: Chelicerata | 1. Chelicera (fangs) connected to the poison gland
2. Feelers = Pedipalp
3. Four pairs of legs:
4.legs connected to the thorax
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| Phylum Arthropoda: Subphylum: Myriapoda: Centipede | 1. Each segment has a pair of legs
2. 100 legs
3. Poisonous (carnivorous)
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| Phylum: Arthropoda: Subphylum: Myriapoda: Millepede | 1. Each segment has 2 paris of legs
2. 1000 legs
3. Omnivorous (Eat anything and everything--AKA Kamury)
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| Phylum: Arthropoda: Subphylum: Hexapoda | 1. Insects only have three sets of legs: Legs are attached to the thorax along with the wings.
2. Have one pair of atennas: used to detect anything and everything
3. Go through metamorphesis.
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| Phylum: Arthropoda: Subphylum: Hexapoda: Difference between complete and incomplete metamorphosis | Complete: egg, larvae, pupa, adult
Incomplete: egg, nymphs, they molt, into a adulthood (respiratory system: not developed correct)
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