Bio Test 4 2
Terms
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- What are Annelids?
- Ringed worms
- What are properties of the Phylum Annelid?
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Coelom
Metanephridia
Parapodia
Vermiform
Metameres
Closed circulation
Setae = Chaetae - Coelom
- Full body cavity
- Metanephridia
- Excretory gland
- Parapodia
- Feet-like things that help them move
- Vermiform
- Worm-like
- Metameres
- Segments that are repeated
- Closed circulation
- The heart is segmented
- Setae or Chaetae
- Little bristles on the parapodia that allow them to grip
- How do Annelids move?
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Crawl
Swim - What is a trochophore larva?
-
A annelid characteristic of polychaetes shared by all mollusks
early developmental stage - What are the three classes of Annelids?
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Hirudinea
Oligochaeta
Polychaeta - What does Polychaeta mean?
- Many setae
- What is another name for a Polychaeta worm?
- Palalo
- What is a characteristic of the class Polychaeta?
- Well-developed head
- Where do organisms in the Class Polychaeta live?
- Marine
- What are forms of worms of Polychaeta?
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Tubeworms
Sandworms
Fireworms - What do Fireworms do?
- burn
- How do tubeworms take part in mutualism?
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Bacteria provide food for tubeworms
Tubeworms provide home for bacteria - What are characteristics of Class Oligochaeta?
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Clitellum
Poorly developed head
Respiration through diffusion (no organs) - What is the Clitellum?
- Swollen that secretes a fluid to form a cocoon for their eggs.
- What is the common name for organisms in the Class Oligochaeta?
- Earthworms
- Where do organisms in the Class Oligochaeta live?
- terrestrial and freshwater
- What are characteristics of Class Hirudinea?
-
Blood sucking parasites
Coelom filled with mesenchyme
Clitellum
No setae
No head
Open circulation - Where do organisms in the Class Hirudinea live?
- terrestrial and freshwater
- What is the common name for organisms in Class Hirudinea?
- Leeches
- What are the general features of the Phylum Arthropoda?
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Musculature
Exoskeleton
Largest animal group
Articulations
Tagma – Head, Thorax, Abdomen
Epidermis creating cuticle - Tagmosis
- Process of becoming segmented
- What are the Musculature of the Phylum Arthropoda?
- Flexors/Extensors
- What are articulations?
- Weakened points and joints
- What kind of excretory system does the Phylum Arthropoda have?
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Malpighian tubules
Green gland - What are the Respiratory systems of the Phylum Arthropoda?
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Gills and Book lungs: urine in head
Tracheae w/ spiracles - What kind of circulatory systems does a Phylum Arthropoda have?
-
Open
Heart w/ ostia and Hemocoel - What is an example of an organism in Phylum Arthropoda?
- Stone crab
- What are ostia?
- Openings
- What does the coelem do in the Phylum Arthropoda?
- Degenerate
- Ecolysis
- Molting
- Organism in the Phylum Arthropoda molt to
- control hormones
- Ecdysone
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(from Y-organ or Prothoracic gland)
MOLTING!!!
Continuous vs. Discontinuous Growth - Molt inhibitor
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Located in eye stalks
Responsible for molting - Hormonal Control in Arthropoda
- Segmented head with hard exoskeleton and jointed legs
- Instar
- Stage between adolescence and adult stage
- Molt-inhibiting hormone
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(from X-organ)
NO MOLTING!!!
Exoskeleton molted during growth - Compound eye
-
Thousands of facets that determine light
Form images like humans
Most common type of eye - Arthropod are the most
- Abundant
- How are Arthropods classified?
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Appendages
Mouth parts
Antennae - What are the two types of Appendages of Arthropods?
- Biramous vs. Uniramous
- Biramous vs. Uniramous
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2 parts: Biramous
1 part: Uniramous - What kind of Appendages do Crayfish have?
- Biramous
- What are the mouth parts of an Arthropod?
- Chelicerae & Pedipalps vs. Mandilbles
- Chelicerae
- Mouth
- Pedipalps
- Appendages used for feeding
- Mandible
- Bone that mkes up jaw
- What are the subphylums of Arthropods?
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Subphylum Trilobitomorpha
Subphylum Chelicerata - What are characteristics of Subphylum Trilobitomorpha?
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Antennae (one pair)
Biramous
Extinct - Not all arthropods have
- Antennae
- What are characteristics of the Subphylum Chelicerata?
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Chelicera & Pedipalps
Book lungs & girlls w/ fangs
Uniramous: 4 pairs
Mostly terrestrial - What is the body plan of the Phylum Chelicerata?
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Telson
Opisthoma
Prosoma