Reptiles must contract their rib muscles because they

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Reptiles must contract their rib muscles because they like a diaphragm, amphibians can pump oxygen into their lungs but a reptile can’t 21. What two sense organs does a timber rattlesnake have that a crocodile does not have? Jacobson’s organ and heat sensing pits 22. What is unusual about the parental care that crocodilians exhibit compared with other reptiles? Crocodilians actually guard their nests from predators, and when the young hatch, she breaks the nest open so that they can escape; most other reptiles would just lay their eggs and leave 23. How might an unusually warm summer affect the sex of the snakes that hatch during that time? Explain. It wouldn’t because the sex of snakes is determined by chromosomes 24. When is a large reptile most likely to fall prey to a predator? Before they mature 25. false 26. false 27. true 28. true 29. true
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Elijah Hamilton 18C, Review Honor Integrity Discipline Excellence 30. false 31. true 32. true 33. false 34. true 35. false 36. True 37. +20 Because if they began to die out a person could know that their main source of food, coral polyps, could be diminishing, and a coral reef is built off of coral polyps which grow into adult polyps 38. Would a species that lives in a wide variety of habitats make a good indicator species? No; because you wouldn’t be able to tell what the issue was with them 39. What are some potential problems that could arise when choosing an indicator species? The species could be the only species struggling, which would falsely indicate that the ecosystem was in trouble, or the species could be one of the only species surviving, which would make it seem like the environment was alright when it isn’t
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  • Fall '19
  • Shark, Tetrapod, Elijah Hamilton

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