BIOLOGY
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1. Which group of land vertebrates supposedly evolved first? 2. Which group of land vertebrates is ectothermic? 3. _________________ have dry skin and scales to prevent dehydration. 4. Most reptiles have a __________ chambered heart. 5. Dinosaur extinction may have been related to ________________. 6. Which group does not have watertight, anmiotic eggs. 7. The reptilian order _______________ contains lizards and snakes. 8. The reptilian order _______________ contains turtles and tortoises. 9. The reptilian order _______________ contains a single species, the tuatara. 10. The only type of reptile with a four chambered heart is the _____________. 11. Birds supposedly evolved from _______________. 12. The soft feathers close to a bird’s skin (used for insulation) is known as __________________. 13. Which factors are helpful for bird flight? 14. What can be used to determine a bird’s order of classification? 15. There are __________ orders in the class Aves. 16. The order _______________ contains 5276 species such as sparrows, robins, and crows. 17. The order _______________ contains 303 species such as pigeons and doves. 18. The order _______________ contains 288 species such as hawks, eagles, and falcons. 19. The order _______________ contains 268 species such as chickens and quail 20. The order _______________ contains 150 species such as ducks and geese. 21. The order _______________ contains only one species, the ostrich. 22. The order _______________ contains 18 species of penguins. 23. Mammals evolved __________________________________ dinosaurs. 24. What are the 2 major characteristics of mammals? _______________________________________ 25. Mammals can live in colder environments because they generate their own heat, which is called ___________. 26. The mammalian order _________________ contains echidnas and the platypus, which lay eggs. 27. Pouched mammals, such as the kangaroo and the opossum, are in the order ________________. 28. There are 15 orders of __________ mammals, where the young fully develop inside the mother. 29. The mammalian order __________________ contains 1814 species of rats, mice, squirrels, etc.. 30. The mammalian order _____________________ contains 240 species of bears, cats, dogs, etc.. 31. The mammalian order _______________________ contains 2 species of elephants. 32. The mammalian order ______________ contains 79 species of whales, dolphins, and porpoises. 33. The mammalian order __________________ contains 211 species of cattle, deer, giraffes, etc.. 34. The mammalian order ____________________ contains 17 species of horses, rhinoceroses, etc.. 35. The mammalian order _______________ contains 233 species of humans, apes, and monkeys. 36. What are the functions of hair in mammals?____________________________________________ 37. Claws, hooves, horns, and antlers are made of _____ (which is found in your skin, hair, & nails). .38 Which mammalian order uses sonar for navigation and finding prey? ________________ ESSAY: 39. How could you tell if a mammalian skull you found was that of a herbivore or a carnivore? 40. Why is the use of the term “cold-blooded” inappropriate
in accurately describing those types of creatures?
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