Animal Unknowns 1. Egg-layer with fur and milk, Class SubClass 2. 4 chambered he
ID: 209108 • Letter: A
Question
Animal Unknowns 1. Egg-layer with fur and milk, Class SubClass 2. 4 chambered heart, ECTOthermie, scales, amniotic egg. No feathers. Order 3. Aquatic animal with bones and muscle in their fins, Includes the Coelocanth. Class 4. Loses all phylum characters but pharyngeal slits in adulthood. Incurrent and excurrent siphons. Subphylum 5. Slimy scavenger with no bones, jaws, or paired fins. Subphylum Class 6. Lizards and Snakes. Order 7. Furred amniote. Gives birth to an embryo who grows in a pouch called a marsupium. Subclass 8. Most primitive subphylum of the phylum. Retains all four phylum characteristics into adulthood. Phylum 9. Cartilaginous fish with exposed gills and oily liver for buoyancy. Subclass 10. The only remainin Subphylum Class g group of dinosaurs. This group has a four-chambered heart. It is also endothermic unlike the rest of its class. Class SubclassExplanation / Answer
ANS 1) Egg-layer with fur and milk.
Class: Mammalia
Sub class: Monotremes
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ANS 2) 4 chambered heart, ECTOthermic, scales, amniotic egg. No feathers.
Order: Crocodilians
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ANS 3) Aquatic animal with bones and muscle in theri fins. Includes the coelocanth.
Class: Osteichthyes
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ANS 4) Loses all phyllum characters but pharyngeal slits in adulthood. Incurrent and excurrent siphons.
Sub phyllum: Urochordata
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ANS 5) Slimy scavenger with no bones, jaws or paired fins
Subphyllum: Vertebrata
Class: Agnatha
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ANS 6) Lizards and snakes
Order: Squamata
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ANS 7) Furred amniote. Gives birth to an embryo who grows in a pouch called a marsupium.
Subclass: Marsupialia
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ANS 8) Most primitive subphyllum of the phyllum. Retains all four phyllum characterisitics into adulthood.
Phyllum: Chordata
Subphyllum: Vertebrata
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ANS 9) Cartilaginous fish with exposed gills and oily liver for buoyancy
Subclass: Elasmobranchii
Class: Chondrichthyes
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ANS 10) The only remaining group of dinosaurs. This group has a four chambered heart. It is also endothermic unlike the rest of its class.
Class: Aves
Subclass: Palaeognathae