BSC 1011 FINAL EXAM VERIFIED STUDY GUIDE
Phylum annelida - Answers - Segmented worms
- setae
- parapodia
- closed circulation
Class polychaeta - Answers - Sand worm, tube worm, palalo worm, fireworm
- "many setae"
Class oligochaeta - Answers - Earthworms
- "few setae"
Class Hirudinea - Answers - Leeches
- hirudin = anticoagulant
Clitellum - Answers - Band of thickened, specialized segments in annelids that secretes
a mucus ring into which eggs and sperm are released
Phylum Athropoda - Answers - Largest animal group
- open circulatory system
- degenerate coelom
Green gland - Answers - an excretory organ of some crustaceans that is located at the
base of the antennae
Heteronomous Metamerism - Answers - Combined segments into special education
regions called tagma
Ecdysis - Answers - Molting
- hormonal control
- ecdyson -> molt
- molt inhibiting hormone -> no molt
Subphylum Trilobitomorpha - Answers - Extinct
Subphylum Chelicerata - Answers - - mostly terrestrial
- chelicera and pedipalps
Class Arachnida - Answers - spiders, scorpions, ticks, mites
Class Merostomata - Answers - horseshoe crabs
- aquatic
- book lungs
Phylum annelida - Answers - Segmented worms
- setae
- parapodia
- closed circulation
Class polychaeta - Answers - Sand worm, tube worm, palalo worm, fireworm
- "many setae"
Class oligochaeta - Answers - Earthworms
- "few setae"
Class Hirudinea - Answers - Leeches
- hirudin = anticoagulant
Clitellum - Answers - Band of thickened, specialized segments in annelids that secretes
a mucus ring into which eggs and sperm are released
Phylum Athropoda - Answers - Largest animal group
- open circulatory system
- degenerate coelom
Green gland - Answers - an excretory organ of some crustaceans that is located at the
base of the antennae
Heteronomous Metamerism - Answers - Combined segments into special education
regions called tagma
Ecdysis - Answers - Molting
- hormonal control
- ecdyson -> molt
- molt inhibiting hormone -> no molt
Subphylum Trilobitomorpha - Answers - Extinct
Subphylum Chelicerata - Answers - - mostly terrestrial
- chelicera and pedipalps
Class Arachnida - Answers - spiders, scorpions, ticks, mites
Class Merostomata - Answers - horseshoe crabs
- aquatic
- book lungs