Across
- 2. The ability to emit sound waves and interpret the returning echoes to locate objects and navigate the environment.
- 6. a red protein responsible for transporting oxygen in the blood of vertebrates.
- 7. a trait derived from a common ancestor
- 9. situated or applied under the skin.
- 10. living in a social group
- 12. a distinct period of history with a unique characteristic.
- 14. a state of armed conflict between different nations, states or different groups
- 15. Reflective layer increases the amount of light available to the photoreceptors. Responsible for “glow” seen in eyes of animals at night
- 21. property in the form of land, estate
- 23. to time birth with resources; a biological strategy where a fertilized egg pauses its development and remains in the uterus.
- 26. degree of curvature of the wing
- 29. fine, thread-like strands that grow from the skin of some animals
- 33. sound waves with frequencies below the lower limit of human hearing
- 34. an animal behavior that involves the animals curling back its upper lip, wrinkling its nose, and holding the posture for a few seconds
- 38. ovulation occurs regularly, independent of mating. This is common in many mammals, allowing for a higher potential for fertilization if mating occurs.
- 40. angle of the wings relative to a horizontal plane in the direction of movement
- 42. the branch of zoology concerned with mammals
- 44. a digestive process that occurs in a pouch-like structure at the junction of the small and large intestines, where undigested food matter is fermented.
- 45. on bats, skin between neck and thumb (inner forearm)
Down
- 1. able to close nostrils underwater
- 3. ovulation is triggered by mating. This is seen in cats, rabbits, and more.
- 4. sound waves with frequencies above the upper limit of human hearing
- 5. as an artery comes down, it loses heat to the adjacent artery. And is cold
- 8. having limbs adapted for running.
- 11. a distinctive smell, often unpleasant in nature.
- 13. animals in colder climates are larger than those in warmer climates
- 16. on bats, the area of skin around the tail; can encompass entire tail, or poke out
- 17. a herbivorous mammal with a specialized, four-chambered stomach that allows it to digest plant matter efficiently.
- 18. a region or part of the world; the extent or measurement of a surface.
- 19. resistance of air
- 20. proportion of wing length to width
- 22. the scientific study of life and all living organisms.
- 24. a cactus-like plant that may be used to treat mild burns.
- 25. ratio obtained by the body mass of the bat divided by the total surface area of the wing
- 27. on bats, skin between fingers
- 28. on bats, skin between forearm and knee
- 30. chief in size or importance
- 31. be positioned with the front toward someone or something.
- 32. The force that acts perpendicular to the direction of motion, creating an upward force
- 35. “in front of the eye” – use to mark territory
- 36. “Evening”
- 37. a period during which a retailer marks down prices.
- 39. thin membrane that separates the outer ear from the middle ear
- 41. a trait arising from similar conditions in unrelated species
- 43. a native organism restricted to a certain area