Egg-layer with fur and milk. Class_____ Subclass _____ 4 chambered heart, ECTOth

Question

Egg-layer with fur and milk. Class_____ Subclass _____ 4 chambered heart, ECTOthermic, scales, amniotic egg. No feathers. Group _____ Aquatic animal with bones and muscle in their fins. Includes the Coelocanth. Class _____ Loses all phylum characters but pharyngeal slits in adulthood. Incurrent and excurrent siphons. Subphylum ______ Slimy scavenger with no bones, jaws, or paired fins. Subphylum _____ Class _____ Lizards and Snakes. Group____ Furred amniote. Gives birth to an embryo who grows in a pouch called a marsupium. Subclass _____ Most primitive subphylum of the phylum. Retains all four phylum characteristics into adulthood. Phylum ____Subphylum ______ Cartilaginous fish with exposed gills and oily liver for buoyancy. Subclass _____Class_____ The only remaining group of dinosaurs. This group has a four-chambered heart. It is also endothermic unlike the rest of its class. Class _____ Group ____

Explanation / Answer

1. Class- mammalia subclass- monotremata

2. Crocodile -reptilian

3.chondricthyes

5. Vertebrata subphylum- agnatha

6. Class Group- Squamata

7 subclass- theria

8. Phylum- Chordata subphylum- vertebrata

9. Class chondricthye subclass- elasmobanchii

10. Class-reptilia, group- archosauria

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